NAME;LABEL
23.10.00.00;Site Products
23.10.05.00;Ground Anchorages
23.10.05.10;Retaining/Stabilizing Ground Anchors
23.10.05.10.11;Components
23.10.05.10.11.11;Anchor Heads
23.10.05.10.11.12;Tendons
23.10.05.10.14;Grouted Anchors
23.10.05.10.17;Plate Anchors
23.10.05.10.21;Rock Bolts, Rock Anchors
23.10.05.10.24;Anchor Tiebacks
23.10.05.20;Earth Reinforcement Anchors
23.10.05.20.11;Soil Nails
23.10.05.99;Other Ground Anchorages
23.10.10.00;Ground Improvement Products
23.10.10.12;Land/Field Drainage
23.10.10.12.10;Piped Drainage
23.10.10.12.10.11;Land Drainage Pipes
23.10.10.12.20;Drainage Blocks
23.10.20.00;Retention Structures
23.10.20.11;Sheet Piles
23.10.20.14;Retaining Walls
23.10.20.14.10;Diaphragm Walls
23.10.20.14.10.11;Slurry Wall Membranes
23.10.20.14.20;Continuous Retaining Walls
23.10.20.14.30;Crib Walls
23.15.10.00;Pavements
23.15.10.11;Roadways and Runways
23.15.10.11.11;Complete Roadway and Runways
23.15.10.11.11.11;Portable Roadways
23.15.10.11.11.14;Helicopter Landing Pads
23.15.10.11.14;Roadway and Runway Surfacing
23.15.10.11.14.11;Antiskid Texturing
23.15.10.11.14.14;Paving Blocks, Slabs
23.15.10.11.14.14.11;Unit Pavers
23.15.10.11.14.14.11.11;Asphalt Block Pavers
23.15.10.11.14.14.11.14;Brick Pavers
23.15.10.11.14.14.11.17;Interlocking Precast Concrete Pavers
23.15.10.11.14.14.11.21;Precast Concrete Pavers
23.15.10.11.14.14.11.24;Pressed Pavers
23.15.10.11.14.14.11.27;Stone Pavers
23.15.10.11.14.17;Continuous Surface Paving's
23.15.10.11.17;Roadway and Runway Drainage
23.15.10.11.17.11;Culverts
23.15.10.11.17.11.11;Pipe Culverts
23.15.10.11.17.11.11.11;Metal Pipe – Arch Culverts
23.15.10.11.17.11.14;Concrete Culverts
23.15.10.11.17.11.14.11;Concrete Arch Buried Bridge
23.15.10.11.17.11.14.14;Concrete Arch Culverts
23.15.10.11.17.11.14.17;Concrete Box Culverts
23.15.10.11.17.11.14.21;Concrete Rigid Frame Culverts
23.15.10.11.17.14;Catch Basins
23.15.10.11.17.17;Channels
23.15.10.11.17.21;Cleanouts
23.15.10.11.21;Traffic Safety Barriers and Protections
23.15.10.11.21.11;Safety Barriers
23.15.10.11.21.11.11;Crash Barriers ( including Impact Attenuating Devices)
23.15.10.11.21.11.14;Median Barriers
23.15.10.11.21.11.17;Guardrails
23.15.10.11.21.14;Noise Barriers
23.15.10.11.21.17;Traffic Barriers
23.15.10.11.21.17.11;Delineators
23.15.10.11.21.21;Traffic Control
23.15.10.11.21.21.11;Speed Bumps
23.15.10.11.21.24;Curbs and Gutters
23.15.10.11.21.27;Cattle Guards
23.15.10.14;Roadway Monitoring and Control
23.15.10.14.11;Roadway Signage,
23.15.10.14.14;Roadway Markers
23.15.10.14.14.11;Roadway Surface Markings
23.15.10.14.14.14;Roadway Reflectors
23.15.10.14.14.17;Traffic Cones
23.15.10.14.17;Traffic Signals
23.15.10.14.21;Traffic Monitoring
23.15.10.14.21.11;Roadway Mirrors
23.15.10.14.21.14;Cameras
23.15.10.14.21.17;Detectors and Sensors
23.15.10.14.24;Parking Controls
23.15.10.14.24.11;Parking Meters
23.15.10.14.24.14;Ticket Dispensers
23.15.10.14.24.17;Coin Machine Units
23.15.10.14.24.21;Key and Card Control Units
23.15.10.14.24.24;Parking Gates
23.15.30.21;Solid Waste Disposal Plant Products
23.15.30.21.11;Bins
23.15.30.21.14;Chutes and Collectors
23.15.30.21.17;Pneumatic Waste Equipment
23.15.30.21.24;Crusher Plant
23.15.30.21.24.11;Waste Compactors and Destructors
23.15.30.24;Pollution Monitoring and Control
23.15.30.24.11;Air Pollution Monitoring Systems
23.15.30.24.14;Water Pollution Monitoring Systems
23.15.30.27;Storage Constructions
23.15.30.27.11;Tanks, Reservoirs
23.15.30.27.11.11;Elevated Storage Tanks
23.15.30.27.11.14;Ground Storage Tanks
23.15.30.27.11.17;Underground Storage Tanks
23.15.30.27.11.21;Portable Storage Tanks
23.15.30.27.11.24;Tank Lining
23.15.30.27.21;Gas Tanks and Gasholders
23.15.99.00;Other Utility and Transportation Construction Products
23.20.00.00;General Purpose Construction Accessories and Surfacing Products
23.20.15.00;Mixtures
23.20.15.11;Concrete
23.20.15.11.11;Cementitious Concrete
23.20.15.11.14;Resinous Concrete
23.20.15.11.17;Hydrocarbon Concrete
23.20.15.11.21;Low Density Concrete
23.20.15.14;Mortars
23.20.15.14.11;Portland Cement-Lime Mortars
23.20.15.14.14;Masonry Cement Mortars
23.20.15.14.17;Mortar Cements
23.20.15.14.21;Gypsum Based Mortars
23.20.15.14.24;Resinous Mortar
23.20.15.14.27;Chemical-Resistant Mortar
23.20.15.14.31;Refractory Mortar
23.20.15.14.34;Premixed Mortar
23.20.15.14.37;Surface Bonding Mortar
23.20.15.14.41;Mortar Pigments
23.20.15.17;Grouts
23.20.15.17.11;Concrete Grout
23.20.15.17.11.11;Shrink-Resistant Concrete Grout
23.20.15.17.11.14;Catalyzed Metallic Concrete Grout
23.20.15.17.11.17;Epoxy Concrete Grout
23.20.15.17.11.21;Nonmetallic Concrete Grout
23.20.15.17.14;Masonry Grout
23.20.15.17.14.11;Chemical-Resistant Masonry Grout
23.20.20.00;Profiles
23.20.20.11;Rigid Profiles
23.20.20.11.11;Ferrous Metal Rigid Profiles
23.20.20.11.14;Non-Ferrous Metal Rigid Profiles
23.20.20.11.17;Wood Rigid Profiles
23.20.20.11.17.11;Lumber Rigid Profiles
23.20.20.11.17.11.11;Hardwood Rigid Profiles
23.20.20.11.17.11.14;Softwood Rigid Profiles
23.20.20.11.17.11.17;Laminated Rigid Profiles
23.20.20.11.17.14;Heavy Timber Rigid Profiles
23.20.20.11.21;Plastic Rigid Profiles
23.20.20.11.24;Composite Rigid Profiles
23.20.20.14;Flexible Profiles
23.20.20.14.11;Plastic Flexible Profiles
23.20.20.14.14;Rubber Flexible Profiles
23.20.20.14.14.11;Natural Rubber Flexible Profiles
23.20.20.14.14.14;Butyl Flexible Profiles
23.20.20.14.14.17;Neoprene Flexible Profiles
23.20.20.14.14.21;Silicone Flexible Profiles
23.20.20.14.14.24;Polysulfide Flexible Profiles
23.20.20.17;Lath
23.20.20.17.11;Gypsum Lath
23.20.20.17.14;Lead-Lined Lath
23.20.20.17.17;Metal Lath
23.20.20.17.21;Veneer Plaster Base Lath
23.20.20.17.24;Wood Lath
23.20.25.00;Sheets, Boards, and Slabs
23.20.25.11;Thin Flexible Sheets 
23.20.25.11.11;Thin Sheets
23.20.25.11.11.11;Thin Metal Sheets
23.20.25.11.11.14;Thin Wood Sheets
23.20.25.11.11.17;Building Papers
23.20.25.11.11.21;Thin Plastic Sheets
23.20.25.11.11.24;Thin Rubber Sheets
23.20.25.11.14;Textiles
23.20.25.11.17;Mesh for General Use
23.20.25.14;Rigid Sheets, Slabs, Plates
23.20.25.14.11;Solid Sheets
23.20.25.14.11.11;Solid Stone Sheets
23.20.25.14.11.14;Solid Cementitious Sheets
23.20.25.14.11.17;Solid Mineral Sheets
23.20.25.14.11.21;Solid Glass Sheets
23.20.25.14.11.24;Solid Metal Sheets
23.20.25.14.11.27;Solid Wood-Based Sheets
23.20.25.14.11.31;Solid Plastic Sheets
23.20.25.14.14;Hollow Core Sheets
23.20.25.14.14.11;Wood-Based Hollow Core Sheets
23.20.25.14.14.14;Mineral Hollow Core Sheets
23.20.25.14.14.17;Metal Hollow Core Sheets
23.20.25.14.14.21;Plastic Hollow Core Sheets
23.20.25.17;Gratings
23.20.25.21;Blankets, Quilts
23.20.30.00;Blocks and Bricks
23.20.30.11;Blocks
23.20.30.11.11;Concrete Masonry Units
23.20.30.11.11.11;Concrete Block
23.20.30.11.11.14;Exposed Aggregate Concrete Masonry Units
23.20.30.11.11.17;Fluted Concrete Masonry Units
23.20.30.11.11.21;Interlocking Concrete Masonry Units
23.20.30.11.11.24;Molded-Face Concrete Masonry Units
23.20.30.11.11.27;Prefaced Concrete Masonry Units
23.20.30.11.11.31;Preinsulated Concrete Masonry Units
23.20.30.11.11.34;Sound-Absorbing Concrete Masonry Units
23.20.30.11.11.37;Split-Face Concrete Masonry Units
23.20.30.11.14;Calcium Silicate Masonry Units
23.20.30.11.17;Glass Masonry Units
23.20.30.11.21;Adobe Masonry Units
23.20.30.11.24;Clay Masonry Units
23.20.30.11.24.11;Common Brick
23.20.30.11.24.14;Face Brick
23.20.30.11.24.17;Fire Brick
23.20.30.11.24.21;Glazed Brick
23.20.30.11.24.24;Ceramic Glazed Clay Masonry Units
23.20.30.11.24.27;Clay Tile
23.20.30.11.24.31;Structural Clay Tile
23.20.30.11.24.34;Clay Flue Lining
23.20.30.11.24.37;Terra Cotta
23.20.30.14;Masonry Anchorage and Reinforcement
23.20.30.14.11;Masonry Reinforcing
23.20.30.14.11.11;Continuous Joint Reinforcing
23.20.30.14.11.14;Reinforcing Bars
23.20.30.14.14;Masonry Ties
23.20.30.14.14.11;Flexible Masonry Ties
23.20.30.14.14.14;Masonry Veneer Ties
23.20.30.14.14.17;Rigid Masonry Ties
23.20.30.14.17;Masonry Anchors
23.20.30.14.17.11;Masonry Veneer Anchors
23.20.30.14.17.14;Stone Masonry Anchors
23.20.30.17;Special Profiles for Masonry 
23.20.30.17.11;Special Masonry Shapes
23.20.30.17.14;Masonry Sills and Thresholds
23.20.30.17.17;Masonry Moldings
23.20.30.17.21;Masonry Copings
23.20.30.17.24;Masonry Quoins
23.20.30.17.27;Masonry Cornices
23.20.30.21;Structural Support for Masonry
23.20.30.21.11;Lintels
23.20.30.21.11.11;Lintel Former Units
23.20.30.21.14;Wall Connectors and Starters
23.20.30.21.17;Supports for Masonry
23.20.30.21.17.11;Masonry Angles
23.20.30.21.17.11.11;Masonry Shelf Angles
23.20.30.21.17.14;Gussets
23.20.30.24;Ancillary Products for Masonry
23.20.30.24.11;Embedded Flashing
23.20.30.24.14;Cavity Closers
23.20.30.24.17;Cavity Weep and Ventilation Units
23.20.30.24.17.11;Weeps
23.20.30.24.17.14;Cavity Vents
23.20.30.24.17.17;Drainage Material
23.20.30.24.21;Joint Materials
23.20.30.24.21.11;Control Joints
23.20.30.24.21.14;Expansion Joints
23.20.30.24.24;Airbricks
23.20.40.00;Mechanical Fasteners, Adhesives, and Sealants
23.20.40.11;Mechanical Fasteners
23.20.40.11.11;Cast-In Anchorages
23.20.40.11.11.11;Rail Anchors
23.20.40.11.11.14;Screw Cases
23.20.40.11.11.17;Anchor Blocks
23.20.40.11.11.21;Inserts
23.20.40.11.11.21.11;Adjustable Wedge
23.20.40.11.11.21.14;Adjustable Box
23.20.40.11.11.21.17;Threaded
23.20.40.11.11.24;Dovetail Slots
23.20.40.11.14;Multi-Purpose Mechanical Fasteners
23.20.40.11.14.11;Plugs
23.20.40.11.14.14;Staples
23.20.40.11.14.17;Nails
23.20.40.11.14.21;Rivets
23.20.40.11.14.24;Screws
23.20.40.11.14.27;Bolts and Nuts
23.20.40.11.14.31;Threaded Rods and Nuts
23.20.40.11.14.34;Bandings
23.20.40.11.17;Structural Mechanical Fasteners in Hardened Concrete and Masonry
23.20.40.11.17.11;Expansion Anchors
23.20.40.11.17.14;Undercut Anchors
23.20.40.11.17.17;Bonded Anchors
23.20.40.11.21;Mechanical Fasteners for Metal Structures
23.20.40.11.24;Mechanical Fasteners for Wood Structures
23.20.40.11.24.11;Nail Plates
23.20.40.11.24.14;Wood Connectors
23.20.40.11.24.17;Framing Anchors
23.20.14.24;Joint Fillers, Sealants, and Mastics
23.20.14.24.11;Joint Fillers
23.20.14.24.11.11;Backer Rods
23.20.14.24.14;Putties
23.20.14.24.17;Construction Sealants
23.20.14.24.17.11;Elastomeric Construction Sealants
23.20.14.24.17.14;Rigid Construction Sealants
23.20.14.24.17.17;Sanitary Construction Sealants
23.20.14.24.17.21;Chemical-Resistant Construction Sealants
23.20.14.24.17.24;Water-Immersed Construction Sealants
23.20.14.24.21;Preformed Joint Seals
23.20.14.24.21.11;Compression Seals
23.20.14.24.21.14;Joint Gaskets
23.20.14.27;Ropes, Wires, and Cables
23.20.14.27.11;Ropes
23.20.14.27.14;Wires
23.20.14.27.17;Cables
23.20.50.00;Thermal and Moisture Protective Products
23.20.50.11;Fireproofing
23.20.50.11.11;Board Fireproofing
23.20.50.11.11.11;Calcium Silicate Board Fireproofing
23.20.50.11.11.14;Slag FiberBoard Fireproofing
23.20.50.11.14;Blanket Fireproofing
23.20.50.11.14.11;Smoke Containment Barriers
23.20.50.11.17;Fireproofing Coatings
23.20.50.11.17.11;Cement Aggregate Fireproofing
23.20.50.11.17.14;Cementitious Fireproofing
23.20.50.11.17.17;Foamed Magnesium Oxychloride Fireproofing
23.20.50.11.17.21;Intumescent Mastic Fireproofing
23.20.50.11.17.24;Magnesium Cement Fireproofing
23.20.50.11.17.27;Mineral Fiber Cementitious Fireproofing
23.20.50.11.17.31;Miner Fiber Fireproofing
23.20.50.14;Firestopping
23.20.50.14.11;Penetrations Firestopping
23.20.50.14.11.11;Annular Space Protection
23.20.50.14.11.14;Fire Resistant Joint Sealants
23.20.50.14.11.17;Firestopping Foams
23.20.50.14.11.17.11;Intumescent Firestopping Foams
23.20.50.14.11.17.14;Silicone Firestopping Foams
23.20.50.14.11.21;Firestopping Mortars
23.20.50.14.11.24;Firestopping Pillows
23.20.50.14.11.27;Thermal Barriers for Plastics
23.20.50.14.14;Fire-Safing
23.20.50.14.14.11;Fibrous Blankets
23.20.50.14.14.14;Fire-Safing Sealants
23.20.50.14.14.17;Fire-Safing Clip Anchors
23.20.50.17;Dampproofings
23.20.50.17.11;Dampproofing Membranes
23.20.50.17.14;Dampproofing Coatings
23.20.50.17.14.11;Bituminous Dampproofing Coatings
23.20.50.17.14.14;Cementitious Dampproofing Coatings
23.20.50.21;Waterproofing
23.20.50.21.11;Built-Up Bituminous Waterproofing
23.20.50.21.14;Sheet Waterproofing
23.20.50.21.14.11;Bituminous Sheet Waterproofing
23.20.50.21.14.14;Elastomeric Sheet Waterproofing
23.20.50.21.14.17;Modified Bituminous Sheet Waterproofing
23.20.50.21.14.21;Thermoplastic Sheet Waterproofing
23.20.50.21.17;Fluid-Applied Waterproofing
23.20.50.21.17.11;Hot-Applied Rubberized Asphalt
23.20.50.21.21;Sheet Metal Waterproofing
23.20.50.21.24;Cementitious and Reactive Waterproofing
23.20.50.21.24.11;Acrylic Modified Cement Waterproofing
23.20.50.21.24.14;Crystalline Waterproofing
23.20.50.21.24.17;Metal Oxide Waterproofing
23.20.50.21.27;Bentonite Waterproofing
23.20.50.21.27.11;Bentonite Panel Waterproofing
23.20.50.21.27.14;Bentonite Sheet Waterproofing
23.20.50.21.31;Waterproof Traffic Coatings
23.20.50.21.31.11;Pedestrian Waterproof Traffic Coatings
23.20.50.21.31.14;Vehicular Waterproof Traffic Coatings
23.20.50.24;Thermal Insulation
23.20.50.24.11;Slab and Board Thermal Insulation
23.20.50.24.11.11;Polystyrene Slab and Board Thermal Insulation
23.20.50.24.11.11.11;Expanded Polystyrene Slab and Board Thermal Insulation
23.20.50.24.11.11.14;Extruded Polystyrene Slab and Board Thermal Insulation
23.20.50.24.11.14;Urethane Slab and Board Thermal Insulation
23.20.50.24.11.17;Perlite Slab and Board Thermal Insulation
23.20.50.24.11.21;Fiberglass Slab and Board Thermal Insulation
23.20.50.24.14;Blanket Thermal Insulation
23.20.50.24.14.11;Fiberglass Blanket Thermal Insulation
23.20.50.24.14.14;Rock Wool Blanket Thermal Insulation
23.20.50.24.17;Thermal Insulation Coatings
23.20.50.24.17.11;Sprayed Thermal Insulation Coatings
23.20.50.24.17.11.11;Sprayed Cellulose Thermal Insulation Coatings
23.20.50.24.21;Loose Fill Thermal Insulation
23.20.50.24.21.11;Granular Fill Thermal Insulation
23.20.50.27;Sound Isolation Insulation
23.20.50.27.11;Slab and Board Sound Isolation Insulation
23.20.50.27.14;Fiberglass Slab and Board Sound Isolation Insulation
23.20.50.27.17;Blanket Sound Isolation Insulation
23.20.50.27.17.11;Fiberglass Blanket Sound Isolation Insulation
23.20.50.27.17.14;Rock Wool Blanket Sound Isolation Insulation
23.20.50.27.21;Sound Isolation Coatings
23.20.50.27.24;Sound Isolation Loose Fills
23.20.50.27.24.11;Granular Sound Isolation Loose Fills
23.25.00.00;Structural and Space Division Products
23.25.05.00;Foundations
23.25.05.11;Foundation Piles
23.25.05.11.11;Foundation Pile Components
23.25.05.11.11.11;Pile Casings (Linings)
23.25.05.11.11.14;Cores and Mandrels
23.25.05.11.11.17;Pile Extension Pieces
23.25.05.11.11.21;Pile Shoes
23.25.05.11.11.24;Pile Splices
23.25.05.11.11.27;Pile Caps
23.25.05.11.14;Driven Piles
23.25.05.11.14.11;Composite Driven Piles
23.25.05.11.14.14;Concrete-Filled Steel Driven Piles
23.25.05.11.14.17;Precast Concrete Driven Piles
23.25.05.11.14.21;Rolled Steel Section Driven Piles
23.25.05.11.14.24;Unfilled Tubular Steel Driven Piles
23.25.05.11.14.27;Wood Driven Piles
23.25.05.11.14.31;Sheet Driven Piles
23.25.05.11.17;Screw Piles
23.25.05.14;Caissons, Foundation Casings
23.25.05.14.11;Well Foundation Casings
23.25.05.14.14;Caissons
23.25.05.17;Shallow Foundations
23.25.05.17.11;Column Bases
23.25.05.17.14;Grade Beams
23.25.05.17.17;Strip Foundation Blocks
23.25.05.21;Special Foundations
23.25.05.21.11;Controlled Modulus Columns
23.25.05.21.14;Other Special Foundations
23.25.10.00;Structural Concrete Products
23.25.10.11;Structural Concrete
23.25.10.14;Ready Mixed Concrete 
23.25.10.17;Permanent Formwork
23.25.10.17.11;Structural Permanent Formwork
23.25.10.17.11.11;Permanent Steel Forms
23.25.10.17.11.14;Prefabricated Stair Forms
23.25.10.21;Non-Structural Permanent Formwork
23.25.10.24;Concrete Forms
23.25.10.27;Reinforcement and Prestressing Components
23.25.10.27.11;Reinforcement Components
23.25.10.27.11.11;Reinforcing Steel
23.25.10.27.11.14;Reinforcement Steel Mesh
23.25.10.27.11.14.11;Welded Wire Fabric
23.25.10.27.11.17;Fibrous Reinforcing
23.25.10.27.11.17.11;Steel Fibrous Reinforcing
23.25.10.27.11.17.14;Synthetic Fibrous Reinforcing
23.25.10.27.11.21;Reinforcement Couplers
23.25.10.27.11.24;Reinforcement Spacers
23.25.10.27.11.27;Reinforcement Accessories
23.25.10.27.14;Prestressing Components
23.25.10.27.14.11;Stressing Tendons
23.25.10.27.14.11.11;Steel Stressing Tendons
23.25.10.27.14.11.11.11;Steel Strand Stressing Tendons
23.25.10.27.14.11.11.14;Steel Wire Stressing Tendons
23.25.10.27.14.11.11.17;Steel Bar Stressing Tendons
23.25.10.27.14.11.14;Glass Fiber
23.25.10.27.14.14;Steel Bars
23.25.10.27.14.17;Glass Fiber Tendons
23.25.10.27.14.21;Prestressing Couplers
23.25.10.27.14.24;Tendon Sheathing
23.25.10.27.14.24.11;Tendon Sheathing Ducts
23.25.10.27.14.27;Prestressing Anchorages
23.25.10.27.17;Post-Tensioning Products
23.25.10.27.21;Complete Reinforcement Cages
23.25.10.27.24;Cast-In Jointing
23.25.10.27.24.11;Expansion and Contraction Joints
23.25.10.27.24.14;Waterstops
23.25.20.00;Envelope Enclosure Products
23.25.20.11;Infill Faзades
23.25.20.11.11;Exterior Wall Assemblies
23.25.20.14;Glazed Faзade and Roof Structures
23.25.20.14.11;Curtain Walls
23.25.20.14.11.11;Curtain Wall Components
23.25.20.14.11.11.11;Curtain Wall Frames
23.25.20.14.11.11.14;Curtain Wall Sections
23.25.20.14.11.11.17;Infill Panels
23.25.20.14.11.14;Metal-Framed Curtain Wall
23.25.20.14.11.17;Translucent Wall Assemblies
23.25.20.14.14;Structural Glazing
23.25.20.14.14.11;Structural Glass Curtain Walls
23.25.20.14.17;Suspended Glazing
23.25.20.14.21;Patent Glazing  
23.25.20.14.24;Screen and Storm Doors
23.25.20.14.24.11;Metal Screen and Storm Doors
23.25.20.14.24.14;Wood and Plastic Screen and Storm Doors
23.25.20.14.27;Glazed Roof Structures
23.25.20.14.27.11;Sections for Glazed Roofs
23.25.20.14.27.14;Sloped Glazing Assemblies
23.25.20.14.27.17;Translucent Roof Assemblies
23.25.30.00;Structural Framing Products
23.25.30.11;Structural Frames
23.25.30.11.11;Beam-Column Frames
23.25.30.11.14;Column-Slab Frames
23.25.30.11.14.11;Columns
23.25.30.11.14.14;Beams
23.25.30.11.17;Portal Frames
23.25.30.11.21;Structural Racking
23.25.30.11.24;Structural Bearings
23.25.30.11.24.11;Roller Bearings
23.25.30.11.24.14;Slide Bearings
23.25.30.11.24.17;Rocker Bearings
23.25.30.11.24.21;Fixed Bearings
23.25.30.11.27;Vibration and Earthquake Controls
23.25.30.14;Space Frames
23.25.30.14.11;Booms, Braces
23.25.30.14.14;Couplers
23.25.30.14.17;Complete Space Frames
23.25.30.17;Geodesic Structures
23.25.30.21;Rafters, Beams, and Joists
23.25.30.21.11;Rafters, Trussed
23.25.30.21.14;Trussed Beams and Joists
23.25.30.21.14.11;Metal Joists
23.25.30.21.14.14;Composite Joist Assemblies
23.25.30.21.14.17;Metal-Web Wood Joists
23.25.30.21.14.21;Wood Trusses
23.25.30.21.14.24;Metal Trusses
23.25.30.21.17;Web Beams and Joists
23.25.30.21.17.11;Wood I Joists
23.25.30.24;Structural Walls
23.25.30.24.11;Concrete Structural Walls
23.25.30.24.14;Masonry Structural Walls
23.25.30.24.17;Wood Framed Structural Walls
23.25.30.24.21;Metal Framed Structural Walls
23.25.30.24.24;Structural Panels
23.25.30.24.24.11;Cementitious Reinforced Structural Panels
23.25.30.24.24.14;Stressed Skin Structural Panels
23.25.30.24.24.17;Structural Insulated Panels 
23.25.30.24.99;Other Structural Walls
23.25.30.27;Structural Floors and Flat Roofs
23.25.30.27.11;Structural Floor Decks
23.25.30.27.11.11;Concrete Structural Floor Decks
23.25.30.27.11.14;Metal Structural Floor Decks
23.25.30.27.11.14.11;Raceway Deck Systems
23.25.30.27.11.14.14;Acoustical Metal Floor Deck
23.25.30.27.11.17;Wood Floor Decking
23.25.30.27.14;Structural Roof Decks
23.25.30.27.14.11;Concrete Structural Roof Decks
23.25.30.27.14.14;Metal Structural Roof Decks
23.25.30.27.14.14.11;Acoustical Metal Roof Deck
23.25.30.27.14.17;Wood Roof Decking
23.25.30.27.17;Structural Grating Floors
23.25.30.27.21;Balconies and Overhang Units
23.25.30.27.21.11;Balcony Components
23.25.30.27.21.11.11;Balcony Holders and Mechanical Fasteners
23.25.30.27.21.14;Concrete Balconies and Overhang Units
23.25.30.27.21.17;Metal Balconies and Overhang Units
23.25.30.27.21.21;Wood Balconies and Overhang Units
23.25.30.31;Structural Profiled Roofs
23.25.30.31.11;Prefabricated Shell Roofs
23.25.40.00;Space Division Products
23.25.40.11;Fixed Partitions
23.25.40.11.11;Gypsum Board Fixed Partitions
23.25.40.11.11.11;Metal-Framed Gypsum Board Fixed Partitions
23.25.40.11.11.14;Wood-Framed Gypsum Board Fixed Partitions
23.25.40.11.14;Plaster Fixed Partitions
23.25.40.11.14.11;Gypsum Plaster Fixed Partitions
23.25.40.11.14.14;Portland Cement Plaster Fixed Partitions
23.25.40.11.14.17;Metal-Framed Plaster Fixed Partitions
23.25.40.11.14.21;Wood-Framed Plaster Fixed Partitions
23.25.40.11.17;Masonry Fixed Partitions
23.25.40.14;Demountable Partitions
23.25.40.14.11;General Demountable Partitions
23.25.40.14.11.11;Demountable Partitions Component
23.25.40.14.11.11.11;Partition Frames
23.25.40.14.11.11.14;Partition Infill Panels
23.25.40.14.11.11.17;Mechanical Fasteners for Partitions
23.25.40.14.11.14;Gypsum Board Demountable Partitions
23.25.40.14.11.17;Metal Demountable Partitions
23.25.40.14.11.21;Wood Demountable Partitions
23.25.40.14.14;Sanitary Partitions and Cubicles
23.25.40.14.14.11;Toilet Compartments and Urinal Screens
23.25.40.14.14.11.11;Metal Toilet Compartments and Urinal Screens
23.25.40.14.14.11.14;Plastic Laminate Toilet Compartments and Urinal Screens
23.25.40.14.14.11.17;Plastic Toilet Compartments and Urinal Screens
23.25.40.14.14.11.21;Particleboard Toilet Compartments and Urinal Screens
23.25.40.14.14.11.24;Stone Toilet Compartments and Urinal Screens
23.25.40.14.14.14;Shower and Dressing Compartments
23.25.40.14.14.14.11;Metal Shower and Dressing Compartments
23.25.40.14.14.14.14;Plastic Laminate Shower and Dressing Compartments
23.25.40.14.14.14.17;Plastic Shower and Dressing Compartments
23.25.40.14.14.14.21;Particleboard Shower and Dressing Compartments
23.25.40.14.14.14.24;Stone Shower and Dressing Compartments
23.25.40.14.14.17;Cubicles
23.25.40.14.14.17.11;Cubicle Curtains
23.25.40.14.14.17.14;Cubicle Track and Hardware
23.25.40.14.17;Storage Wall Partitions and Compartments
23.25.40.14.17.11;Wire Mesh Partitions
23.25.40.17;Operable Partitions
23.25.40.17.11;Horizontally Sliding Partitions
23.25.40.17.14;Folding Panel Partitions
23.25.40.17.17;Accordion Folding Partitions
23.25.40.17.21;Coiling Partitions
23.25.40.17.24;Vertically Sliding Room Dividers
23.25.40.21;Fences
23.25.40.21.11;Fence Components
23.25.40.21.11.11;Fence Posts
23.25.40.21.11.14;Fencing Fabric
23.25.40.21.11.17;Fence Accessories
23.25.40.21.14;Fences by Material
23.25.40.21.14.11;Wood Fences
23.25.40.21.14.14;Metal Fences
23.25.40.21.14.17;Plastic Fences
23.25.40.21.14.21;Composite Fences
23.25.40.21.17;Fences by Type
23.25.40.21.17.11;Chain Link Fences
23.25.40.21.17.14;Wire Fences
23.25.40.21.17.17;Ornamental Fences
23.25.40.21.17.21;Post and Rail Fences
23.25.40.21.17.24;Panel Fences
23.25.40.21.21;Gates
23.25.40.21.21.11;Swinging Gates
23.25.40.21.21.14;Sliding Gates
23.25.40.21.24;Turnstiles
23.25.40.21.27;Portable Post and Railing Barriers
23.30.00.00;Openings, Passages, Protection
23.30.10.00;Doors
23.30.10.11;Door Components
23.30.10.11.11;Door Frames
23.30.10.11.14;Door
23.30.10.11.17;Preassembled Door and Frame Units
23.30.10.11.21;Fanlights
23.30.10.11.24;Door Sections
23.30.10.11.24.11;Structural Door Sections
23.30.10.11.24.14;Door Cladding Sections
23.30.10.11.27;Door Linings and Boards
23.30.10.11.31;Door Renovation Sets
23.30.10.11.34;Door Accessories
23.30.10.11.34.11;Peep Holes
23.30.10.11.34.14;Buffers and Stops
23.30.10.11.34.17;Mail Openings and Slots
23.30.10.11.34.21;Door Louvers and Lights
23.30.10.14;Passage Doors by Material
23.30.10.14.11;Metal Passage Doors
23.30.10.14.14;Wood Passage Doors
23.30.10.14.17;Plastic Passage Doors
23.30.10.14.21;Composite Passage Doors
23.30.10.14.24;Glazed Passage Doors
23.30.10.14.27;All-Glass Passage Doors
23.30.10.17;Doors and Grills by Method of Operation
23.30.10.17.11;Sliding Doors
23.30.10.17.14;Sliding Grills
23.30.10.17.17;Folding Doors and Grilles
23.30.10.17.17.11;Accordion Folding Doors
23.30.10.17.17.14;Accordion Folding Grilles
23.30.10.17.17.17;Folding Fire Doors
23.30.10.17.17.21;Panel Folding Doors
23.30.10.17.17.24;Bifold Doors
23.30.10.17.21;Revolving Doors
23.30.10.17.24;Balanced Doors
23.30.10.17.27;Coiling Doors
23.30.10.17.27.11;Overhead Coiling
23.30.10.17.27.14;Side Coiling
23.30.10.17.31;Vertical Lift Doors
23.30.10.17.31.11;Multi-Leaf Vertical Lift Doors
23.30.10.17.31.14;Telescoping Vertical Lift Doors
23.30.10.17.34;Telescopic Stacking Doors
23.30.10.17.37;Overhead Doors
23.30.10.17.37.11;Single-Panel Overhead Doors
23.30.10.17.37.14;Sectional Overhead Doors
23.30.10.21;Special Function Doors
23.30.10.21.11;Fire Doors
23.30.10.21.11.11;Rolling Fire Doors
23.30.10.21.11.14;Fire Shutters
23.30.10.21.11.17;Swinging Fire Doors
23.30.10.21.11.21;Temperature Rate of Rise Fire Doors
23.30.10.21.14;Security Doors
23.30.10.21.17;Controlled Environment Doors
23.30.10.21.17.11;Cold Storage Doors
23.30.10.21.17.14;Sound Control Doors
23.30.10.21.17.17;Radiation Protection Doors
23.30.10.21.17.17.11;Electromagnetic Shielding Doors
23.30.10.21.17.17.14;RF Shielding Doors
23.30.10.21.17.17.17;BO Shielding Doors
23.30.10.21.17.17.21;Radio Frequency Protection Doors
23.30.10.21.17.17.24;X-Ray Protection Doors
23.30.10.21.17.17.27;Nuclear Radiation Protection Doors
23.30.10.21.17.17.31;High Energy Magnetic Pulse Protection Doors
23.30.10.21.21;Detention Doors
23.30.10.21.24;Hanger Doors
23.30.10.21.27;Lightproof Doors
23.30.10.21.27.11;Revolving Darkroom Door
23.30.10.21.31;Traffic Doors
23.30.10.21.31.11;Flexible Traffic Doors
23.30.10.21.31.14;Flexible Strip Doors
23.30.10.21.31.17;Rigid Panel Traffic Doors
23.30.10.21.31.21;Rapid Opening Doors
23.30.10.21.34;Industrial Doors
23.30.10.21.37;Pressure-Resistant Doors
23.30.10.21.37.11;Airtight Doors
23.30.10.21.37.14;Blast-Resistant Doors
23.30.10.21.37.17;Watertight Doors
23.30.10.24;Other Doors
23.30.10.24.11;Storm Doors
23.30.10.24.14;Screen Doors
23.30.10.24.17;Other Special Purpose Doors
23.30.10.27;Access Doors and Panels
23.30.10.27.11;Trap Doors
23.30.10.27.14;Access Panels
23.30.10.27.17;Access Doors
23.30.10.27.21;Floor Hatches
23.30.10.27.24;Roof Hatches
23.30.10.27.27;Security Hatches
23.30.20.00;Windows
23.30.20.11;Window Components
23.30.20.11.11;Window Sections
23.30.20.11.14;Window Linings and Boards
23.30.20.11.17;Window Vents
23.30.20.14;Windows by Material
23.30.20.14.11;Metal Windows
23.30.20.14.14;Wood Windows
23.30.20.14.17;Plastic Windows
23.30.20.14.21;Composite Windows
23.30.20.17;Windows by Method of Opening
23.30.20.17.11;Fixed Windows
23.30.20.17.14;Sliding Windows
23.30.20.17.14.11;Vertical Sliding Windows
23.30.20.17.14.14;Horizontal Sliding Windows
23.30.20.17.17;Hung Windows
23.30.20.17.17.11;Single-Hung Windows
23.30.20.17.17.14;Double-Hung Windows
23.30.20.17.17.17;Triple-Hung Windows
23.30.20.17.21;Swinging Windows
23.30.20.17.21.11;Awning Windows
23.30.20.17.21.14;Casement Windows
23.30.20.17.21.17;Projected Windows
23.30.20.17.21.21;Vertical Pivoted Windows
23.30.20.17.21.24;Jalousie Windows
23.30.20.17.21.27;Jal-Awning Windows
23.30.20.21;Other Windows
23.30.20.21.11;Projecting Windows
23.30.20.21.11.11;Bay Windows
23.30.20.21.11.11.11;Angled Bay Windows
23.30.20.21.11.11.14;Box Bay Windows
23.30.20.21.11.14;Bow Windows
23.30.20.21.11.17;Garden Windows
23.30.20.21.14;Roof Windows
23.30.20.21.17;Pavement Lights
23.30.20.21.17.11;Glass Masonry Units
23.30.20.24;Special Purpose Windows
23.30.20.24.11;Detention Windows
23.30.20.24.14;Pass Windows
23.30.20.24.17;Controlled Environment Windows
23.30.20.24.17.11;Sound Control Windows
23.30.20.24.17.14;Radiation Protection Windows
23.30.20.24.17.14.11;Electromagnetic Shielding Windows
23.30.20.24.17.14.14;RF Shielding Windows
23.30.20.24.17.14.17;BO Shielding Windows
23.30.20.24.17.14.21;Radio Frequency Protection Windows
23.30.20.24.17.14.24;X-Ray Protection Windows
23.30.20.24.17.14.27;Nuclear Radiation Protection Windows
23.30.20.24.17.14.31;High Energy Magnetic Pulse Protection Windows
23.30.20.24.21;Security Windows
23.30.30.00;Skylights 
23.30.30.11;Skylight Components
23.30.30.11.11;Skylight Hardware
23.30.30.14;Unit Skylights
23.30.30.14.11;Domed Unit Skylights
23.30.30.14.14;Pyramidal Unit Skylights
23.30.30.14.17;Vaulted Unit Skylights
23.30.30.17;Metal-Framed Skylights
23.30.30.17.11;Domed Metal-Framed Skylights
23.30.30.17.14;Motorized Metal-Framed Skylights
23.30.30.17.17;Pyramidal Metal-Framed Skylights
23.30.30.17.21;Ridge Metal-Framed Skylights
23.30.30.17.24;Vaulted Metal-Framed Skylights
23.30.30.21;Lantern Lights
23.30.30.24;Tubular Skylights
23.30.40.00;Hardware for Openings
23.30.40.11;Hardware for Doors
23.30.40.11.11;Rotation, Pivoting Door Gear
23.30.40.11.14;Sliding Door Gear
23.30.40.11.17;Combined Movement Door Gear
23.30.40.11.21;Door Guiding Hardware
23.30.40.11.24;Door Holding Hardware
23.30.40.11.24.11;Door Hold Open Hardware
23.30.40.11.27;Door Closing Hardware
23.30.40.11.27.11;Door Closers
23.30.40.11.27.11.11;Floor Door Closers
23.30.40.11.27.11.14;Surface Door Closers
23.30.40.11.27.11.17;Concealed Overhead Door Closers
23.30.40.11.31;Door Locking Hardware
23.30.40.11.34;Automatic Door Controls and Operators
23.30.40.11.34.11;Card Key Door Locking Hardware
23.30.40.11.34.14;Electrical Door Locking Control
23.30.40.11.34.17;Electromagnetic Door Holders
23.30.40.14;Hardware for Windows
23.30.40.14.11;Sliding Window Gear
23.30.40.14.11.11;Horizontal Sliding Window Gear
23.30.40.14.11.14;Vertical Sliding Window Gear
23.30.40.14.11.17;Sliding Projecting Window Gear
23.30.40.14.14;Horizontal Pivoting Window Gear
23.30.40.14.17;Window Tilt and Turn Gear
23.30.40.14.21;Louver Gear
23.30.40.14.24;Automatic Window Equipment
23.30.40.14.27;Window Locks
23.30.40.14.31;Window Lifts
23.30.40.14.34;Window Operators
23.30.40.17;Specialties for Openings
23.30.40.17.11;Door Specialties
23.30.40.17.14;Window Specialties
23.30.40.21;Mechanical Fasteners for Openings 
23.30.40.24;Hinges and Pivots
23.30.40.24.11;Hinges
23.30.40.24.14;Pivots
23.30.40.27;Locks and Latches
23.30.40.27.11;Mortise
23.30.40.27.14;Cylindrical Latch
23.30.40.27.17;Lock Cylinders
23.30.40.27.21;Deadbolts
23.30.40.31;Handles, Knobs, Levers, and Security Bars
23.30.40.31.11;Security Devices
23.30.40.34;Weatherstripping and Seals
23.30.40.34.11;Door Weatherstripping and Seals
23.30.40.34.14;Thresholds
23.30.40.34.17;Window Weatherstripping and Seals
23.30.40.99;Other Openings Hardware
23.30.40.99.11;Door Stops
23.30.50.00;Glazing
23.30.50.11;Glass Glazing   
23.30.50.11.11;Bent Glass
23.30.50.11.14;Chemically-Strengthened Glass
23.30.50.11.17;Coated Glass
23.30.50.11.21;Composite Glass
23.30.50.11.24;Decorative Glass
23.30.50.11.27;Fire-Rated Glass
23.30.50.11.31;Float Glass
23.30.50.11.34;Heat-Strengthened Glass
23.30.50.11.37;Impact Resistant Glass
23.30.50.11.41;Insulating Glass
23.30.50.11.44;Laminated Glass
23.30.50.11.47;Low-Emissivity Glass
23.30.50.11.51;Mirrored Glass
23.30.50.11.54;Rolled Glass
23.30.50.11.57;Spandrel Glass
23.30.50.11.61;Tempered Glass
23.30.50.11.64;Wired Glass
23.30.50.14;Plastic Glazing
23.30.50.14.11;Ballistics-Resistant Plastic Glazing
23.30.50.14.14;Decorative Plastic Glazing
23.30.50.14.17;Insulating Plastic Glazing
23.30.50.14.21;Translucent Plastic Glazing
23.30.50.14.24;Transparent Plastic Glazing
23.30.50.14.27;Mirrored Plastic Glazing
23.30.50.17;Glazing by Special Function
23.30.50.17.11;Security Glazing
23.30.50.17.14;Ballistics-Resistant Glass Glazing
23.30.50.17.17;Pressure-Resistant Glazing
23.30.50.17.21;Hurricane-Resistant Glazing
23.30.50.17.24;Radiation-Resistant Glazing
23.30.50.17.27;Transparent Mirrored Glazing
23.30.50.17.31;Cable Suspended Glazing
23.30.50.21;Glazing Components
23.30.50.21.11;Glazing Frames
23.30.50.21.14;Glazing Sections
23.30.50.21.17;Mechanical Glazing Fasteners
23.30.50.24;Glazing Accessories
23.30.50.24.11;Glazing Beads
23.30.50.24.14;Condensation Channels
23.30.50.24.17;Glazing Sealants and Tapes
23.30.50.24.21;Glazing Gaskets
23.30.50.24.24;Glazing Leading Material
23.30.50.27;Protective Films by Performance
23.30.50.27.11;Solar Control Films
23.30.50.27.14;Safety Films
23.30.50.27.17;Security Films
23.30.50.31;Glazing Sections, Blocks
23.30.50.31.11;U Sections
23.30.50.31.14;Glass Masonry Units
23.30.60.00;Protection of Openings
23.30.60.11;Exterior Protection of Openings
23.30.60.11.11;Projecting Screens
23.30.60.11.11.11;Canopies
23.30.60.11.11.11.11;Solid Canopies
23.30.60.11.11.11.14;Louvered Canopies
23.30.60.11.11.14;Vertical Fins
23.30.60.11.11.14.11;Solid Vertical Fins
23.30.60.11.11.14.14;Louvered Vertical Fins
23.30.60.11.11.17;Awnings
23.30.60.11.11.17.11;Manual Awnings
23.30.60.11.11.17.14;Powered Awnings
23.30.60.11.14;Exterior Shutters
23.30.60.11.14.11;Shutter Components
23.30.60.11.14.11.11;Roller Shutter Gear
23.30.60.11.14.11.14;Roller Shutter Sections
23.30.60.11.14.11.17;Roller Shutter Casings
23.30.60.11.14.14;Sliding Exterior Shutters
23.30.60.11.14.17;Swinging Exterior Shutters
23.30.60.11.14.21;Coiling Exterior Shutters
23.30.60.11.17;Exterior Louvers and Grilles
23.30.60.11.17.11;Fixed Exterior Louvers and Grilles
23.30.60.11.17.14;Roller Exterior Louvers and Grilles
23.30.60.11.17.17;Sliding Exterior Louvers and Grilles
23.30.60.11.21;Storm Panels
23.30.60.11.21.11;Demountable Storm Panels
23.30.60.11.21.14;Movable Storm Panels
23.30.60.14;Interior Window Treatment
23.30.60.14.11;Blinds
23.30.60.14.11.11;Horizontal Blinds
23.30.60.14.11.14;Vertical Blinds
23.30.60.14.11.17;Blinds Components
23.30.60.14.11.17.11;Slats
23.30.60.14.11.17.14;Vanes
23.30.60.14.11.17.17;Blinds Hardware
23.30.60.14.14;Curtains and Drapes
23.30.60.14.17;Interior Shutters
23.30.60.14.21;Shades
23.30.60.17;Fire and Smoke Shutters and Curtains
23.30.60.17.11;Fire Shutters
23.30.60.17.11.11;Vertical Fire Shutters
23.30.60.17.11.14;Horizontal Fire Shutters
23.30.60.17.14;Smoke Curtains and Shutters
23.30.60.17.17;Water Spray Smoke Curtains
23.30.60.21;Insect Screens
23.30.60.21.11;Complete Insect Screens
23.30.60.21.14;Components
23.30.60.21.14.11;Frames for Insect Screens
23.30.60.21.14.14;Mesh for Insect Screens
23.30.70.00;Circulation and Escape
23.30.70.11;Ramps
23.30.70.14;Walkways
23.30.70.17;Ladders
23.30.70.17.11;Ladder Components
23.30.70.17.11.11;Ladder Hardware
23.30.70.17.11.14;Rungs
23.30.70.17.14;Vertical Ladders
23.30.70.17.17;Ship’s Ladders
23.30.70.21;Stairs
23.30.70.21.11;Stair Components
23.30.70.21.11.11;Stair Treads
23.30.70.21.11.11.11;Stair Nosings
23.30.70.21.11.11.14;Tread Coverings
23.30.70.21.11.14;Stair Railings
23.30.70.21.11.17;Stair Handrails
23.30.70.21.11.21;Stair Barrier Gates
23.30.70.21.14;Spiral Stairs
23.30.70.21.14.11;Metal Spiral Stairs
23.30.70.21.14.14;Wood Spiral Stairs
23.30.70.21.17;Retractable Stairs
23.30.70.24;Fire Escapes
23.30.70.24.11;Escape Ladders, Stairs
23.30.70.24.11.11;Fire Escapes
23.30.70.24.14;Escape Slides
23.30.70.24.17;Slings
23.30.80.00;Circulation Guiding and Protection
23.30.80.11;Guardrails
23.30.80.11.11;Guardrail Components
23.30.80.11.11.11;Infill Panels
23.30.80.11.11.14;Posts, Newel Posts, Pickets
23.30.80.11.11.17;Railing
23.30.80.14;Handrails
23.30.82.11;Rope Handrails
23.30.82.12;Cappings
23.30.82.13;Chain Handrails
23.30.80.17;Impact Protection
23.30.80.17.11;Impact Guard Rails
23.30.80.17.11.11;Bumper Guards
23.30.80.17.14;Corner Guards
23.30.80.17.17;Column Protectors
23.30.80.17.21;Door and Wall Protectors
23.30.80.17.21.11;Impact-Resistant Wall Protection
23.35.00.00;Covering, Cladding, and Finishes
23.35.05.00;Multi-Function Coverings, Claddings, Linings
23.35.05.11;Multi-Function Claddings
23.35.05.14;Preformed Casings
23.35.05.17;Ancillary Products for Coverings and Claddings
23.35.05.17.11;Supports for Coverings and Claddings
23.35.05.17.14;Mechanical Fasteners for Coverings and Claddings
23.35.05.17.17;Movement and Dividing Joints for Coverings and Claddings
23.35.05.17.21;Joint Coverings, Flashings, Tapes
23.35.05.17.24;Reinforcements for Coverings and Claddings
23.35.05.17.27;Trims, Edgings, Cappings
23.35.05.17.31;Spacers
23.35.05.17.34;Profile Fillers
23.35.05.17.37;Underlays, Linings, Separations
23.35.05.17.41;Beddings, Adhesives for Coverings and Claddings
23.35.05.17.44;Sealants for Coverings and Claddings
23.35.06.10;Roof and Wall Cladding
23.35.06.11;Siding
23.35.06.11.10;Metal Siding
23.35.06.11.20;Composition Siding
23.35.06.11.30;Mineral Fiber Cement Siding
23.35.06.11.40;Plastic Siding
23.35.06.11.50;Wood Siding
23.35.06.20;Multi-Function Linings
23.35.06.21;Roof and Wall Panels
23.35.06.21.10;Metal Roof and Wall Panels
23.35.06.21.20;Plastic Roof and Wall Panels
23.35.06.21.30;Wood Roof and Wall Panels
23.35.06.21.40;Composite Roof and Wall Panels
23.35.06.21.50;Faced Roof and Wall Panels
23.35.06.21.51;Aggregate Coated Panels
23.35.06.21.52;Porcelain Enameled Faced Panels
23.35.06.21.53;Tile Faced Panels
23.35.06.21.60;Fiber-Reinforced Cementitious Panels
23.35.06.21.61;Glass-Fiber-Reinforced Cementitious Panels
23.35.06.21.62;Miner-Fiber-Reinforced Cementitious Panels
23.35.06.22;Ceiling and Wall Panels
23.35.06.22.10;Flexible Wood Sheets
23.35.06.22.20;Acoustical Wall Treatment
23.35.06.23;Plasters
23.35.10.00;Wall Coverings, Claddings, Linings
23.35.10.11;Wall Cladding Sections
23.35.10.11.11;Metal Wall Cladding Sections
23.35.10.11.14;Wood Wall Cladding Sections
23.35.10.11.17;Plastics Wall Cladding Sections
23.35.10.11.99;Other Wall Cladding Sections
23.35.10.14;Wall Tiles
23.35.10.14.11;Stone, Natural and Reconstituted Wall Tiles
23.35.10.14.14;Cementitious Wall Tiles
23.35.10.14.17;Clay-Based Wall Tiles
23.35.10.14.21;Metal Wall Tiles
23.35.10.14.24;Vegetable-Based Wall Tiles
23.35.10.14.27;Plastics Wall Tiles
23.35.10.14.31;Other Wall Tiles
23.35.10.17;Wall Cladding Panels
23.35.10.17.11;Stone Facing
23.35.10.17.14;Cementitious Wall Cladding Panels
23.35.10.17.14.11;Precast Concrete Wall Cladding Panels
23.35.10.17.17;Metal Wall Cladding Panels
23.35.10.17.21;Wood-Based Wall Cladding Panels
23.35.10.17.24;Plastic Wall Cladding Panels
23.35.10.17.24.11;Plastic Blocks
23.35.10.17.99;Other Wall Cladding Panels
23.35.10.21;Wall Cladding Sheets
23.35.10.21.11;Fiber-Based Wall Cladding Sheets
23.35.10.21.14;Metal Wall Cladding Sheets
23.35.10.21.17;Plastic Wall Cladding Sheets
23.35.10.24;Wall Coverings
23.35.10.24.11;Wallpaper
23.35.10.24.14;Wall Fabrics
23.35.10.24.17;Plastic Wall Coverings
23.35.10.24.21;Cork Wall Covering
23.35.10.24.24;Vinyl-Coated Fabric Wall Covering
23.35.10.24.27;Vinyl Wall Covering
23.35.10.24.31;Wall Carpet
23.35.10.24.34;Wall Veneers
23.35.10.27;Wall Linings
23.35.10.31;Wall Finish Coatings
23.35.10.34;Wall Specialties and Trim
23.35.10.34.11;Pilasters
23.35.10.34.14;Niches
23.35.10.34.17;Moldings
23.35.10.34.21;Renovating Wall Coverings, Claddings
23.35.10.37;Wall Finish Restoration Products
23.35.17.10;Renders
23.35.17.20;Acoustical Wall Finishes
23.35.20.00;Roof Coverings, Claddings, Linings
23.35.20.11;Roof Shingles and Tiles
23.35.20.11.11;Roof Shingle and Tile Components
23.35.20.11.11.11;Shingles, Shakes
23.35.20.11.11.14;Slate, Tile Vents
23.35.20.11.11.17;Tile and Slate Mechanical Fasteners
23.35.20.11.11.21;Ridges, Rake Edges (Verges  ), Edges
23.35.20.11.11.24;Underlayment
23.35.20.11.14;Roof Tiles
23.35.20.11.14.11;Clay
23.35.20.11.14.14;Concrete
23.35.20.11.14.17;Metal
23.35.20.11.14.21;Mineral Fiber Cement
23.35.20.11.14.24;Plastic
23.35.20.11.17;Slates
23.35.20.11.21;Natural Stone Roofing
23.35.20.11.24;Roof Shingles
23.35.20.11.24.11;Asphalt Roof Shingles
23.35.20.11.24.14;Fiberglass Reinforced Roof Shingles
23.35.20.11.24.17;Metal Roof Shingles
23.35.20.11.24.21;Mineral Fiber Cement Roof Shingles
23.35.20.11.24.24;Plastic Roof Shingles
23.35.20.11.24.27;Porcelain Enamel Roof Shingles
23.35.20.11.24.31;Wood Shingles
23.35.20.11.27;Shakes
23.35.20.11.27.11;Wood Shakes
23.35.20.14;Roof Cladding
23.35.20.14.11;Roof Cladding Sheets
23.35.20.14.11.11;Metal Roof Panels
23.35.20.14.11.14;Sheet Metal Roofing
23.35.20.14.14;Roof Battens
23.35.20.17;Roof Coverings
23.35.20.17.11;Thatched Roofing
23.35.20.17.14;Sod Roofing
23.35.20.17.17;Vegetated Covering
23.35.20.21;Roof Membranes
23.35.20.21.11;Single-Layer Roof Membranes
23.35.20.21.11.11;Elastomeric Single-Layer Roof Membranes
23.35.20.21.11.11.11;Chlorinated Polyethylene (CPE) Single-Layer Roof Membranes
23.35.20.21.11.11.14;Chlorosulfonated Polyethylene (CSPE) Single-Layer Roof Membranes
23.35.20.21.11.11.17;Copolymer Alloy (CPA) Single-Layer Roof Membranes
23.35.20.21.11.11.21;Ethylene Propylene Diene Monomer (EPDM) Single-Layer Roof Membranes
23.35.20.21.11.11.24;Nitrile Butadiene Polymer (NBP) Single-Layer Roof Membranes
23.35.20.21.11.11.27;Polyisobutylene (PIB) Single-Layer Roof Membranes
23.35.20.21.11.14;Thermoplastic Single-Layer Roof Membranes
23.35.20.21.11.14.11;Ethylene Interpolymer (EIP) Single-Layer Roof Membranes
23.35.20.21.11.14.14;Polyvinyl chloride (PVC) Single-Layer Roof Membranes
23.35.20.21.11.14.17;Thermoplastic Alloy (TPA) Single-Layer Roof Membranes
23.35.20.21.14;Multi-Layer Roof Membranes
23.35.20.21.14.11;Built-Up Bituminous Roofing
23.35.20.21.14.11.11;Asphalt Roofing
23.35.20.21.14.11.14;Coal-Tar Roofing
23.35.20.21.14.14;Cold-Applied Bituminous Roofing
23.35.20.21.14.14.11;Cold-Applied Mastic Roof Membrane
23.35.20.21.14.14.14;Glass-Fiber-Reinforced Asphalt Emulsion Roofing
23.35.20.21.14.17;Modified Bituminous Roof Membranes (APP, SBS, etc)
23.35.20.21.17;Fluid Applied Roofing
23.35.20.21.21;Coated Foam Roofing
23.35.20.21.24;Roll Roofing
23.35.20.24;Roof Decking
23.35.20.24.11;Cementitious Roof Deck
23.35.20.24.14;Lightweight Concrete Roof Insulation
23.35.20.24.14.11;Composite Concrete and Insulation Roof Deck
23.35.20.24.14.14;Lightweight Cellular Concrete Roof Deck
23.35.20.24.14.17;Lightweight Insulating Concrete Roof Deck
23.35.20.24.17;Concrete Roof Topping
23.35.20.27;Roof Finishing Coatings
23.35.20.31;Roof Specialties and Accessories
23.35.20.31.11;Roof Edgings and Trims
23.35.20.31.11.11;Copings
23.35.20.31.11.14;Counterflashing Systems
23.35.20.31.11.21;Gravel Stops and Facias
23.35.20.31.11.24;Roof Penetration Flashing
23.35.20.31.11.27;Reglets
23.35.20.31.11.31;Scuppers
23.35.20.31.14;Flexible Flashing
23.35.20.31.14.11;Laminated Sheet Flexible Flashing
23.35.20.31.14.14;Modified Bituminous Sheet Flexible Flashing
23.35.20.31.14.17;Plastic Sheet Flexible Flashing
23.35.20.31.14.21;Rubber Sheet Flexible Flashing
23.35.20.31.14.24;Self-Adhering Sheet Flexible Flashing
23.35.20.31.17;Roof Expansion Joints
23.35.20.31.21;Roof Vents
23.35.20.31.21.11;Relief Vents
23.35.20.31.21.14;Ridge Vents
23.35.20.31.21.17;Smoke Vents
23.35.20.31.24;Roof Walkways
23.35.20.31.24.11;Roof Pavers
23.35.20.31.24.11.11;Precast Concrete Roof Pavers
23.35.20.31.24.11.14;Pedestals Roof Pavers
23.35.20.31.24.14;Roof Treads
23.35.20.31.24.14.11;Rubber Roof Treads
23.35.20.31.27;Roof Accessories
23.35.20.31.27.11;Manufactured Roof Curbs
23.35.20.31.27.14;Snow Guards
23.35.20.31.27.17;Piping Portals
23.35.20.31.27.21;Roof Domes, Turrets, Lanterns
23.35.20.31.31;Vegetated Roof Planting Modules
23.35.20.31.34;Renovation Products for Roof Coverings and Claddings
23.35.50.00;Floor Coverings
23.35.50.11;Flooring Specialties and Accessories
23.35.50.11.11;Floor Toppings
23.35.50.11.11.11;Concrete Floor Topping
23.35.50.11.14;Floor Underlayments
23.35.50.11.14.11;Cementitious Floor Underlayment
23.35.50.11.14.11.11;Gypsum Floor Underlayment
23.35.50.11.14.11.14;Portland Cement Floor Underlayment
23.35.50.11.14.14;Other Floor Underlayments
23.35.50.11.21;Floor Base and Accessories
23.35.50.11.21.11;Base and Accessories for Floor Coverings
23.35.50.11.21.14;Acoustic Floor Mountings
23.35.50.11.21.17;Underlays, Linings, Separations
23.35.50.11.24;Floor Mats and Grilles
23.35.50.11.24.11;Floor Mats
23.35.50.11.24.14;Floor Grilles
23.35.50.11.24.17;Floor Gratings
23.35.50.14;Floor Covering Strips, Tiles, Blocks, and Slabs
23.35.50.14.11;Wood Flooring
23.35.50.14.11.11;Cushioned Wood Flooring Assemblies
23.35.50.14.11.14;Mastic Set Wood Flooring Assemblies
23.35.50.14.11.17;Resilient Wood Flooring Assemblies
23.35.50.14.11.21;Wood Athletic Flooring
23.35.50.14.11.24;Wood Block Flooring
23.35.50.14.11.27;Wood Composition Flooring
23.35.50.14.11.31;Wood Parquet Flooring
23.35.50.14.11.34;Wood Strip Flooring
23.35.50.14.14;Tile Flooring
23.35.50.14.14.11;Ceramic Tile Flooring
23.35.50.14.14.11.11;Ceramic Mosaic Tile Flooring
23.35.50.14.14.11.14;Conductive Tile Flooring
23.35.50.14.14.14;Quarry Tile Flooring
23.35.52.22.10;Chemical-Resistant Quarry Tile Flooring
23.35.50.14.14.17;Porcelain Tile Flooring
23.35.50.14.14.21;Glass Mosaic Tile Flooring
23.35.50.14.14.24;Plastic Tile Flooring
23.35.50.14.14.27;Metal Tile Flooring
23.35.50.14.14.31;Natural Cut Stone Tile Flooring
23.35.50.14.14.34;Tile Flooring Restoration Products
23.35.50.14.17;Terrazzo Flooring
23.35.50.14.17.11;Portland Cement Terrazzo Flooring
23.35.50.14.17.14;Precast Terrazzo Flooring
23.35.50.14.17.17;Conductive Terrazzo Flooring
23.35.50.14.17.21;Plastic matrix Terrazzo Flooring
23.35.50.14.17.24;Terrazzo Flooring Restoration Products
23.35.50.14.21;Masonry Flooring
23.35.50.14.21.11;Brick Flooring
23.35.50.14.21.11.11;Chemical-Resistant Brick Flooring
23.35.50.14.21.14;Stone Flooring
23.35.50.14.24;Precast Tile and Slab Flooring
23.35.50.14.27;Metal Flooring
23.35.50.17;Resilient Flooring
23.35.50.17.11;Cork Flooring
23.35.50.17.14;Plastic Flooring
23.35.50.17.17;Rubber Flooring
23.35.50.17.21;Linoleum Flooring
23.35.50.17.24;Mechanical Fasteners for Resilient Floor Coverings
23.35.50.17.24.11;Floor Clips
23.35.50.17.24.14;Carpet Grippers
23.35.50.17.24.17;Stair Rods
23.35.50.17.27;Other Resilient Flooring
23.35.50.21;Carpet Flooring
23.35.50.21.11;Carpet Cushion
23.35.50.21.14;Carpet Tile
23.35.50.21.17;Indoor and Outdoor Carpet
23.35.50.21.21;Sheet Carpet
23.35.50.24;Preformed Flooring Systems
23.35.50.24.11;Floating Floors
23.35.50.24.14;Portable Floors
23.35.50.24.17;Convertible Floors
23.35.50.24.21;Gymnasium or Dance Flooring
23.35.50.27;Access Flooring
23.35.50.27.11;Access Flooring Components
23.35.50.27.11.11;Access Floors, Frames
23.35.50.27.11.14;Access Floors, Infill Panels
23.35.50.27.14;Rigid Grid Access Flooring
23.35.50.27.17;Snap-On Stringer Access Flooring
23.35.50.27.21;Stringerless Access Flooring
23.35.70.00;Ceiling Coverings, Claddings, and Linings
23.35.70.11;Ceiling Tiles, Panels, Strips, and Sections
23.35.70.11.11;Ceiling Tiles
23.35.70.11.11.11;Acoustical Ceiling Tile
23.35.70.11.14;Ceiling Panels
23.35.70.11.14.11;Acoustical Ceiling Panels
23.35.70.11.14.14;Mirror Ceiling Panel
23.35.70.11.17;Ceiling Covering Strips
23.35.70.11.17.11;Linear Metal Ceiling Covering Strips
23.35.70.11.17.14;Linear Wood Ceiling Covering Strips
23.35.70.11.21;Ceiling Covering Sections
23.35.70.11.21.11;Suspended Decorative Ceiling Grids
23.35.70.14;Ceiling Finishing Coatings
23.35.70.14.11;Textured Ceilings
23.35.70.14.11.11;Gypsum Panel Textured Ceilings
23.35.70.14.11.14;Metal Panel Textured Ceilings
23.35.70.17;Ceiling Specialties and Accessories
23.35.70.17.11;Roses, Ceiling Centerpieces
23.35.70.17.14;Ceiling Coving
23.35.70.17.17;Cornices, Friezes
23.35.70.21;Ceiling Assembly Restoration Products
23.35.70.24;Ceilings
23.35.70.24.11;Suspended Ceilings
23.35.70.24.11.11;Suspended Ceiling Components
23.35.70.24.11.11.11;Suspended Ceilings, Suspension Assembly
23.35.70.24.11.11.14;Suspended Ceilings, Panels and Tiles
23.35.70.24.11.11.17;Suspended Ceilings, Grids
23.35.70.24.11.11.21;Mechanical Fasteners for Suspended Ceilings
23.35.70.24.11.14;Acoustical Ceilings
23.35.70.24.11.14.11;Metal Pan Acoustical Ceilings
23.35.70.24.11.14.14;Acoustical Panel Ceilings
23.35.70.24.11.14.17;Acoustical Tile Ceilings
23.35.70.24.11.17;Specialty Ceilings
23.35.70.24.11.17.11;Integrated Ceilings
23.35.70.24.11.17.14;Linear Ceilings
23.35.70.24.11.17.14.11;Metal Linear Ceilings
23.35.70.24.11.17.14.14;Wood Linear Ceilings
23.35.70.24.11.17.17;Luminous Ceilings
23.35.70.24.11.17.21;Mirror Panel Ceilings
23.35.70.24.11.17.24;Textured Ceilings
23.35.70.24.11.17.27;Suspended Decorative Grids
23.35.70.24.14;Stretched Fabric Ceilings
23.40.00.00;Equipment and Furnishings
23.40.05.00;Plants and Planting Products
23.40.05.11;Planting Products
23.40.05.11.14;Plant Maintenance Products
23.40.05.11.14.17;Mowing Equipment
23.40.05.11.14.21;Pruning Equipment
23.40.05.11.14.24;Watering Equipment
23.40.05.11.14.27;Irrigation System
23.40.05.17;Exterior Plants
23.40.05.17.11;Ground Covers
23.40.05.17.14;Plants and Bulbs
23.40.05.17.17;Shrubs
23.40.05.17.21;Coniferous Trees
23.40.05.17.24;Deciduous Trees
23.40.05.21;Planting Accessories
23.40.05.21.11;Landscaping Edging
23.40.05.21.14;Landscape Timbers
23.40.05.21.17;Planters
23.40.05.21.21;Tree Grates
23.40.05.21.24;Tree Grids
23.40.10.00;Exterior Equipment and Furnishings
23.40.10.11;Site Furnishings
23.40.10.11.11;Bicycle Racks
23.40.10.11.14;Exterior Seating
23.40.10.11.17;Exterior Tables
23.40.10.11.21;Trash Receptors
23.40.10.11.24;Storage Specialties for Services and Maintenance
23.40.10.14;Exterior Specialties
23.40.10.14.11;Flagpoles
23.40.10.14.11.11;Automatic Flagpoles
23.40.10.14.11.14;Ground-Set Flagpoles
23.40.10.14.11.17;Nautical Flagpoles
23.40.10.14.11.21;Wall-Mounted Flagpoles
23.40.10.14.14;Manufactured Exterior Specialties
23.40.10.14.14.11;Weathervanes
23.40.10.14.14.14;Clocks
23.40.10.14.14.17;Cupolas
23.40.10.14.14.21;Spires
23.40.10.14.14.24;Steeples
23.40.10.14.14.99;Other Manufactured Exterior Specialties
23.40.10.14.17;Memorials and Statuary
23.40.10.14.21;Markers and Monuments
23.40.10.14.24;Exterior Signs
23.40.10.14.24.11;Signs, Finger Posts
23.40.10.14.24.14;Street Nameplates
23.40.10.14.24.17;Illuminated Signs
23.40.10.14.27;Bollards 
23.40.10.14.31;Public Lighting Columns
23.40.10.17;Garden and Park Furniture
23.40.10.17.11;Garden/Patio Seating and Tables
23.40.10.17.14;Garden Umbrellas
23.40.10.17.17;Exterior Ornamental Fountains
23.40.10.17.21;Bird Houses and Feeders
23.40.10.17.24;Bird Baths
23.40.10.17.27;Tubs for Plants
23.40.10.17.31;Sundials
23.40.10.17.34;Garden Ornaments
23.40.10.21;Playfield Equipment, Structures, and Surfacing
23.40.10.21.11;Playground Equipment
23.40.10.21.14;Play Structures
23.40.10.21.17;Athletic or Recreation Screening
23.40.10.21.17.11;Tennis Court Windbreakers
23.40.10.21.21;External Pools and Ponds
23.40.10.21.24;Athletic and Recreational Surfaces
23.40.10.21.24.11;Sports Field Surfacings
23.40.10.21.24.11.11;Baseball Field Surfacing
23.40.10.21.24.11.14;Multi-Purpose Court Surfacing
23.40.10.21.24.11.17;Resilient Matting
23.40.10.21.24.11.21;Synthetic Grass Surfacing
23.40.10.21.24.11.24;Synthetic Running Track Surfacing
23.40.10.21.24.11.27;Tennis Court Surfacing
23.40.10.21.24.14;Artificial Ski Slopes
23.40.10.21.24.17;Artificial Ice Rinks
23.40.10.21.27;Exterior Athletic Equipment
23.40.10.21.27.11;Goalposts
23.40.10.21.27.11.11;Soccer Goalposts
23.40.10.21.27.11.14;Football Goalposts
23.40.10.21.27.14;Tennis Court Nets
23.40.10.21.27.17;Volley Ball Nets
23.40.10.21.27.21;Basketball Net and Backstop
23.40.10.24;Screening Devices
23.40.10.24.11;Jet Blast Barriers
23.40.10.24.14;Screens and Louvers
23.40.10.24.21;Sound Barriers
23.40.20.00;General Furniture and Specialties
23.40.20.11;Wardrobe and Closet Specialties
23.40.20.11.11;Wardrobes
23.40.20.11.14;Chests of Drawers
23.40.20.11.17;Lockers
23.40.20.11.21;Racks and Hangers
23.40.20.11.21.11;Coat Racks
23.40.20.11.21.14;Hat Racks
23.40.20.11.21.17;Shoe Trees
23.40.20.11.21.21;Coat Hooks
23.40.20.11.21.24;Coat Hangers and Rails
23.40.20.11.24;Cloakroom Units
23.40.20.11.27;Umbrella Stands
23.40.20.11.31;Checkroom Equipment
23.40.20.11.31.11;Manual Checkroom Equipment
23.40.20.11.31.14;Automated Checkroom Equipment
23.40.20.14;Residential Furniture
23.40.20.14.14;Residential Seating
23.40.20.14.14.11;Chairs
23.40.20.14.14.14;Settees, Sofas
23.40.20.14.14.17;Stools
23.40.20.14.14.21;Benches
23.40.20.14.14.24;Chaises Lounges
23.40.20.14.14.27;Sofa Beds, Chair Beds
23.40.20.14.17;Residential Tables and Cabinets
23.40.20.14.17.11;Dining Room Tables
23.40.20.14.17.14;China Cabinets
23.40.20.14.17.17;Sideboards
23.40.20.14.17.21;End Tables
23.40.20.14.17.24;Coffee Tables
23.40.20.17;Bedroom Furniture
23.40.20.17.14;Bedroom Furniture, Single Units
23.40.20.17.14.11;Beds
23.40.20.17.14.14;Headboards, Footboards
23.40.20.17.14.17;Cots, Cradles
23.40.20.17.14.21;Bedside Units
23.40.20.17.14.24;Dressing Tables
23.40.20.17.14.27;Nursery/Children's Furniture
23.40.20.17.14.31;Mattresses
23.40.20.21;Toilet and Bath Specialties
23.40.20.21.11;Bathroom Cabinets
23.40.20.21.14;Hand and Hair Dryers
23.40.20.21.17;Paper Towel Dispensers, Disposal Units
23.40.20.21.21;Toilet Paper Dispensers
23.40.20.21.24;Sanitary Napkin and Tampon Dispensers, Disposal Units
23.40.20.21.27;Towel Bars
23.40.20.21.31;Robe Hooks
23.40.20.21.34;Soap Holders, Dispensers
23.40.20.21.37;Diaper Changing Units
23.40.20.21.41;Bathroom Deodorizers
23.40.20.21.44;Shower Rods, Curtains
23.40.20.21.47;Bath Grab Bars
23.40.20.24;Non-Clothes Storage Furniture
23.40.20.24.11;Cupboards
23.40.20.24.14;Chests
23.40.20.24.17;Sideboards
23.40.20.24.21;Dressers
23.40.20.24.24;Filing Cabinets
23.40.20.24.27;Plan/Map Chests
23.40.20.24.31;Desk
23.40.20.24.34;Bookcases
23.40.20.24.41;Key Hangers
23.40.20.27;Storage Shelving
23.40.20.27.11;Shelves
23.40.20.27.14;Supports
23.40.20.27.17;Racking
23.40.20.27.21;Mobile Storage Units
23.40.20.31;Refuse Disposal Furniture
23.40.20.31.11;Bins
23.40.20.31.14;Ash Trays
23.40.20.31.17;Refuse Holders
23.40.20.34;Fireplaces and Stoves 
23.40.20.34.11;Fireplace and Stove Components
23.40.20.34.11.11;Fire Surrounds
23.40.20.34.11.14;Firebacks
23.40.20.34.11.17;Fireplace and Stove Fenders
23.40.20.34.11.21;Fireplace and Stove Hoods
23.40.20.34.14;Fireplaces
23.40.20.34.14.11;Fireplace Inserts
23.40.20.34.14.14;Fireplace Screens and Doors
23.40.20.34.14.17;Fireplace Water Heaters
23.40.20.34.17;Stoves
23.40.20.34.17.11;Stove Pipe
23.40.20.34.21;Hearths
23.40.35.00;Casework
23.40.35.11;Casework Components
23.40.35.11.11;Cabinets
23.40.35.11.14;Hardware
23.40.35.11.17;Work Surfaces
23.40.35.14;Casework by Type
23.40.35.14.11;Modular Casework
23.40.35.14.14;Custom-Fabricated Casework
23.40.35.17;Casework by Purpose
23.40.35.17.11;Bank Casework
23.40.35.17.14;Hospitality Casework
23.40.35.17.17;Display Casework
23.40.35.17.21;Religious Casework
23.40.35.17.24;Library Casework
23.40.35.17.24.11;Study Carrels
23.40.35.17.24.14;Book Stacks
23.40.35.17.24.17;Periodical Racks
23.40.35.17.27;Educational Casework
23.40.35.17.31;Laboratory Casework
23.40.35.17.34;Medical Casework
23.40.35.17.34.11;Dental Casework
23.40.35.17.34.14;Pharmacy Casework
23.40.35.17.37;Mortuary Casework
23.40.35.17.41;Commercial Kitchen Casework
23.40.35.17.44;Darkroom Casework
23.40.35.17.44.11;Photo Transfer Cabinets
23.40.35.17.47;Residential Casework
23.40.35.17.47.11;Kitchen Casework
23.40.35.17.47.11.11;Complete Kitchen Casework Suites
23.40.35.17.47.11.14;Single Kitchen Casework Units
23.40.35.17.47.14;Bathroom Casework
23.40.40.00;Food Service Equipment and Furnishings
23.40.40.11;Specialized Food Storage and Display Furnishings
23.40.40.11.11;Refrigerators and Freezers
23.40.40.11.11.11;Refrigerators
23.40.40.11.11.14;Freezers
23.40.40.11.11.17;Refrigerator-Freezer 
23.40.40.11.14;Food Storage Coolers
23.40.40.11.14.11;Walk-In Coolers
23.40.40.11.14.14;Display Coolers
23.40.40.11.17;Refrigerated Cases
23.40.40.11.21;Hot Cabinets
23.40.40.11.24;Cold Cabinets
23.40.40.11.27;Bottle Racks
23.40.40.11.31;Steam Tables
23.40.40.11.34;Snack Cabinets
23.40.40.14;Food Service Equipment
23.40.40.14.11;Food Delivery Carts and Conveyors
23.40.40.14.11.11;Food Delivery Carts
23.40.40.14.11.14;Food Delivery Conveyors
23.40.40.14.14;Food Preparation Equipment
23.40.40.14.14.11;Food Mixers
23.40.40.14.14.14;Drink Making Equipment
23.40.40.14.17;Food Cooking Equipment
23.40.40.14.17.11;Cookers, Ovens, Stoves
23.40.40.14.17.14;Hot Plates
23.40.40.14.17.17;Ranges
23.40.40.14.17.21;Grills
23.40.40.14.17.24;Fryers
23.40.40.14.17.27;Barbecues
23.40.40.14.17.31;Small Specialized Cooking Equipment
23.40.40.14.21;Hood and Ventilation Equipment
23.40.40.14.21.11;Food Service Hoods
23.40.40.14.21.14;Ventilation Equipment
23.40.40.14.21.17;Fire Suppression Systems
23.40.40.14.21.21;Catering Ventilation
23.40.40.14.24;Food Dispensing Equipment
23.40.40.14.24.11;Bar Equipment
23.40.40.14.24.14;Service Line Equipment
23.40.40.14.24.17;Soda Fountain Equipment
23.40.40.14.27;Ice Machines
23.40.40.14.31;Cleaning and Disposal Equipment
23.40.40.17;Restaurant Furniture
23.40.40.17.11;Bars and Serving Counters
23.40.40.17.14;Restaurant Chairs
23.40.40.17.17;Restaurant Tables
23.40.40.17.21;Restaurant Booths
23.40.40.17.24;Restaurant Seating Units
23.40.40.17.27;Bar Stools
23.40.50.00;Educational, Cultural Equipment and Furnishings
23.40.50.11;Educational, Entertainment Equipment and Furnishings
23.40.50.11.11;Auditorium Seating
23.40.50.11.11.11;Fixed Audience Seating
23.40.50.11.11.14;Portable Audience Seating
23.40.50.11.11.14.11;Folding Audience Chairs
23.40.50.11.11.14.14;Interlocking Audience Chairs
23.40.50.11.11.14.17;Stacking Audience Chairs
23.40.50.11.14;Classroom Furniture
23.40.50.11.14.11;Seat and Table Assemblies
23.40.50.11.14.14;Modular Desks
23.40.50.11.17;Multiple-Use Fixed Seating
23.40.50.11.21;Platforms
23.40.50.11.21.11;Folding and Portable Stages
23.40.50.11.24;Educational Play Equipment
23.40.50.11.27;Language Laboratory Equipment
23.40.50.14;Theater and Stage Equipment
23.40.50.14.11;Acoustical Shells
23.40.50.14.14;Rigging Systems and Controls
23.40.50.14.17;Scenery Docks
23.40.50.14.21;Suspension Systems
23.40.50.14.24;Stage Curtains
23.40.50.17;Planetarium Equipment and Furnishings
23.40.50.17.11;Planetarium Projectors
23.40.50.17.14;Planetarium Seating
23.40.50.21;Observatory Equipment and Furnishings
23.40.50.21.11;Telescopes
23.40.50.24;Ecclesiastical Equipment and Furnishings
23.40.50.24.11;Religious Seating, Pews, and Benches
23.40.50.24.14;Chancel Furnishings
23.40.50.24.14.11;Lecterns
23.40.50.24.14.14;Pulpits
23.40.50.24.14.17;Choir Screens
23.40.50.24.14.21;Altars
23.40.50.24.17;Baptisteries
23.40.50.24.21;Baptismal Fonts
23.40.50.24.24;Instrumental Equipment
23.40.50.24.24.11;Organs, Organ Cases and Screens
23.40.50.24.24.14;Bells
23.40.50.24.24.17;Carillons
23.40.50.24.27;Synagogue Furniture
23.40.50.24.31;Mosque Furniture
23.40.50.24.34;Temple Furniture
23.40.50.27;Library and Archive Equipment and Furnishings
23.40.50.27.11;Library Stack Systems
23.40.50.27.11.11;Library Shelving
23.40.50.27.14;Book Depositories
23.40.50.27.17;Book Theft Protection Equipment
23.40.50.27.21;Library Furniture
23.40.50.27.21.11;Library Filing Furniture
23.40.50.27.21.14;Library Display Furniture
23.40.50.27.21.17;Study Carrels
23.40.50.31;Exhibition Equipment and Furnishings
23.40.50.31.11;Display Furniture
23.40.50.31.11.11;Display Cabinets
23.40.50.31.11.14;Display Racks
23.40.50.31.11.17;Display Carousels
23.40.50.31.14;Gallery Hanging Systems
23.40.50.31.17;Stands, Pedestals
23.40.50.31.21;Retail Cabinets
23.40.50.31.24;Exhibition Stands, Shell Schemes
23.40.50.31.27;Exhibit Equipment
23.40.50.34;Athletic, Recreational, and Therapeutic Equipment
23.40.50.34.11;Arcade Machines
23.40.50.34.14;Gymnasium Equipment
23.40.50.34.14.11;Backstops
23.40.50.34.14.14;Scoreboards and Time Clocks
23.40.50.34.14.17;Net Posts
23.40.50.34.14.21;Floor Sockets
23.40.50.34.14.24;Climbing Walls
23.40.50.34.14.27;Climbing Ropes
23.40.50.34.17;Gymnasium Dividers
23.40.50.34.21;Fitness and Exercise Equipment
23.40.50.34.24;Nets
23.40.50.34.27;Bowling Alley Equipment
23.40.50.34.31;Shooting Range Equipment
23.40.50.34.34;Equipment Storage Racks
23.40.50.34.37;Sauna and Steam Room Specialties 
23.40.50.34.41;Solarium Specialties
23.40.50.34.44;Therapeutic Equipment
23.40.50.34.47;Spectator Stands, Seating
23.40.50.34.47.11;Fixed Stadium and Arena Seating
23.40.50.34.47.14;Telescoping Stands
23.40.50.34.47.14.11;Telescoping Bleachers
23.40.50.34.47.14.14;Telescoping Chair Platforms
23.40.70.00;Work Environment Equipment and Furnishings
23.40.70.11;Scientific and Medical Equipment and Furnishings
23.40.70.11.11;Laboratory Equipment and Furnishings
23.40.70.11.11.11;Laboratory Equipment
23.40.70.11.11.11.11;Laboratory Service Fixtures
23.40.70.11.11.11.14;Laboratory Fume Hoods
23.40.70.11.11.11.17;Laboratory Incubators
23.40.70.11.11.11.21;Laboratory Sterilizers
23.40.70.11.11.11.24;Laboratory Refrigerators
23.40.70.11.11.11.27;Laboratory Emergency Safety Appliances
23.40.70.11.11.11.31;Laboratory Service Columns
23.40.70.11.11.11.34;Laboratory Flammables Storage Cabinets
23.40.70.11.11.14;Laboratory Furniture
23.40.70.11.14;Health Care Equipment and Furnishings
23.40.70.11.14.11;Medical Equipment
23.40.70.11.14.11.11;Medical Sterilizing Equipment
23.40.70.11.14.11.14;Examination and Treatment Equipment
23.40.70.11.14.11.17;Patient Care Equipment
23.40.70.11.14.11.17.11;Patient Hoists
23.40.70.11.14.11.17.14;Hospital Head Boards
23.40.70.11.14.11.17.17;Patient Beds
23.40.70.11.14.11.21;Post-Mortem and Dissection Equipment
23.40.70.11.14.11.24;Operating Room Equipment
23.40.70.11.14.11.27;Radiology Equipment
23.40.70.11.14.14;Dental Equipment
23.40.70.11.14.17;Optical Equipment
23.40.70.11.14.21;Health Care Furniture
23.40.70.11.17;Mortuary Equipment
23.40.70.11.17.11;Mortuary Refrigerators
23.40.70.11.17.14;Crematorium Equipment
23.40.70.11.17.17;Mortuary Lifts
23.40.70.14;Retail and Commercial Equipment and Furnishings
23.40.70.14.11;Hospitality Equipment and Furnishings
23.40.70.14.14;Registration Equipment
23.40.70.14.17;Checkroom Equipment
23.40.70.14.21;Hospitality Furniture
23.40.70.14.24;Hospitality Furnishings
23.40.70.14.24.11;Hospitality Bath Furnishings
23.40.70.14.24.11.11;Hospitality Bath Linens and Towels
23.40.70.14.24.11.14;Hospitality Bath Mats
23.40.70.14.24.11.17;Hospitality Shower Curtains
23.40.70.14.24.14;Hospitality Bedroom Furnishings
23.40.72.14.21;Hospitality Bed Linens
23.40.72.14.22;Hospitality Pillows
23.40.70.14.27;Mercantile Equipment and Furnishings
23.40.70.14.31;Barber Shop Equipment
23.40.70.14.34;Beauty Shop Equipment
23.40.70.14.37;Cash Registers and Checkout Equipment
23.40.70.14.41;Display Cases
23.40.70.14.41.11;Refrigerated Display Cases
23.40.70.14.44;Food Processing Equipment
23.40.70.14.47;Food Weighing and Wrapping Equipment
23.40.70.14.51;Display Casework
23.40.70.14.54;Wall Display Systems
23.40.70.14.57;Office Equipment and Furnishings
23.40.70.14.57.11;Computers
23.40.70.14.57.14;Printers
23.40.70.14.57.17;Drafting Equipment
23.40.70.14.57.21;Plotters
23.40.70.14.57.24;Drawing Equipment
23.40.70.14.61;Mailroom Case Goods
23.40.70.14.64;Retail and Commercial Furnishings
23.40.70.14.64.11;Office Furniture
23.40.70.14.64.14;Retail and Commercial Seating Furniture
23.40.70.14.64.17;Office Storage and Filing Furniture
23.40.70.14.64.17.11;Lateral Filing Cabinets
23.40.70.14.64.17.14;Vertical Filing Cabinets
23.40.70.14.64.21;Systems Furniture
23.40.70.14.64.21.11;Panel-Hung Component
23.40.70.14.64.21.14;Free-Standing Component
23.40.70.14.64.21.17;Beam System
23.40.70.14.64.21.21;Desk System
23.40.70.14.64.24;Office Accessories
23.40.70.17;Industrial and Manufacturing Equipment and Furnishings
23.40.70.17.11;Manufacturing Equipment 
23.40.70.17.14;Manufacturing Furniture
23.40.70.17.14.11;Flat Work Surface Furniture
23.40.70.17.14.14;Work Stations 
23.40.70.17.17;Shop Equipment
23.40.70.17.21;Shop Furniture
23.40.70.17.21.11;Counters and Work Surfaces
23.40.70.17.21.14;Shop Display Specialties
23.40.70.17.21.17;Shop Storage Fittings
23.40.70.21;Other Work-Related Equipment and Furnishings
23.40.70.21.11;Darkroom Equipment and Furnishings
23.40.70.21.14;Darkroom Equipment
23.40.70.21.14.11;Darkroom Processing Equipment
23.40.70.21.17;Darkroom Specialties
23.40.70.21.21;Vending Equipment
23.40.70.21.24;Vending Machines
23.40.70.21.27;Ticket Machines
23.40.70.21.31;Change Machines
23.40.70.24;Vehicle Service Equipment
23.40.70.24.11;Compressed Air Vehicle Service Equipment
23.40.70.24.14;Fuel Dispensing Equipment
23.40.70.24.17;Vehicle Lubrication Equipment
23.40.70.24.21;Tire Changing Equipment
23.40.70.24.24;Vehicle Washing Equipment
23.40.70.24.27;Vehicle Hoists
23.40.70.27;Security and Vault Equipment and Furnishings
23.40.70.27.11;Safes
23.40.70.27.14;Safe Deposit Boxes
23.40.70.27.17;Vault Doors and Day Gates
23.40.70.27.21;Anti-Bandit Screens
23.40.70.27.21.11;Gun Ports
23.40.70.27.24;Teller and Service Equipment
23.40.70.27.24.11;Automated Banking Systems
23.40.70.27.24.14;Money Cart Pass-Through
23.40.70.27.24.17;Package Transfer Units
23.40.70.27.24.21;Service and Teller Window Units
23.40.70.27.24.24;Teller Equipment Systems
23.40.70.27.27;Secure Point of Sale Units/Tills
23.40.70.27.27.11;Deal Drawers
23.40.70.27.31;Key Security Cabinets
23.40.70.27.34;Money Counting and Handling Equipment
23.40.70.31;Detention Equipment and Furnishings
23.40.70.31.11;Detention Enclosures
23.40.70.31.14;Detention Furnishings and Specialties
23.40.70.31.17;Detention Furniture
23.40.70.34;Agricultural Equipment
23.40.70.34.11;Milkers
23.40.70.34.14;Stock Feeders
23.40.70.34.17;Stock Waterers
23.40.70.34.21;Waste Clean-Up Equipment
23.40.90.00;Information and Communication Specialties
23.40.90.11;Information Display Specialties
23.40.90.11.11;Information Signs
23.40.90.11.14;Lettering and Numerals
23.40.90.11.17;Pin Boards
23.40.90.11.21;Writing Boards
23.40.90.11.24;Plaques
23.40.90.11.27;Poster Display Units
23.40.90.11.31;Notice Boards
23.40.90.11.34;Display Screens
23.40.90.11.37;Pictograms
23.40.90.14;Communication Specialties
23.40.90.14.11;Mail Boxes
23.40.90.14.14;Mail Racks
23.40.90.14.17;Pigeonholes
23.40.90.14.21;Mail Trolleys
23.40.90.14.24;Mail Handling Equipment
23.40.90.14.27;Telephone Booths
23.40.90.14.31;Acoustic Hoods
23.40.90.14.34;Directory Boards
23.40.95.00;Furnishings, Ornaments, and Decoration
23.40.95.11;Soft Furnishings
23.40.95.11.31;Movable or Retractable Screens
23.40.95.14;Plant Display Furniture
23.40.95.14.11;Decorative Planters
23.40.95.14.14;Decorative Vases
23.40.95.17;Ornaments and Decoration
23.40.95.17.11;Interior Ornamental Fountains
23.40.95.17.14;Ornaments
23.40.95.17.17;Mirrors
23.40.95.17.21;Ornamental Screens
23.40.95.17.24;Artwork
23.40.95.17.27;Clocks
23.40.95.17.31;Wall Hangings
23.45.00.00;Sanitary, Laundry, and Cleaning Equipment
23.45.05.00;Sanitary Equipment
23.45.05.14;Plumbing Fixtures - Sanitary Washing Units 
23.45.05.14.11;Sanitary Washing Unit Components
23.45.05.14.11.11;Splashbacks
23.45.05.14.11.14;Bath Panels
23.45.05.14.11.17;Shower/Bath Seats
23.45.05.14.11.21;Shower Receptors
23.45.05.14.11.24;Shower/Bath Screens, Curtains
23.45.05.14.14;Sinks/Lavatories
23.45.05.14.14.11;Sacristy
23.45.05.14.14.14;Clinic Sinks
23.45.05.14.14.17;Plaster Sinks
23.45.05.14.14.21;Surgeon’s Scrub-Up Sinks
23.45.05.14.14.24;Surgeon’s Instrument Sinks
23.45.05.14.14.27;Service Sinks
23.45.05.14.14.31;Darkroom Sinks
23.45.05.14.14.34;Hairdressing Sinks
23.45.05.14.17;Showers
23.45.05.14.17.11;Shower Compartments
23.45.05.14.17.14;Shower Receptors
23.45.05.14.17.17;Group Showers
23.45.05.14.21;Bathtubs
23.45.05.14.21.11;Bath/Shower Units
23.45.05.14.21.14;Sitz Baths
23.45.05.14.21.17;Therapeutic Whirlpool Baths
23.45.05.14.24;Eye Wash Fountains
23.45.05.14.27;Bidets
23.45.05.14.31;Combination Toilets
23.45.05.14.31.11;Patient’s Combination Toilets
23.45.05.14.31.14;Detention Combination Toilets
23.45.05.14.34;Security Plumbing Fixtures
23.45.05.14.37;Bedpan Washers/Sanitizers
23.45.05.14.99;Other Sanitary Washing Plumbing Fixtures
23.45.05.17;Sanitary Leisure Units
23.45.05.17.11;Sauna Equipment
23.45.05.17.14;Steam Room Equipment
23.45.05.17.17;Leisure Whirlpools
23.45.05.17.21;Hot Tubs
23.45.05.21;Plumbing Fixtures - Sanitary Disposal Units
23.45.05.21.11;Water Closets
23.45.05.21.11.11;Water Operated Water Closets
23.45.05.21.11.14;Chemical/Biological Sanitary Disposal Units
23.45.05.21.11.21;Urinals
23.45.05.21.11.24;Sanitary Macerators
23.45.05.21.14;Sanitary Disposal Components
23.45.05.21.14.11;Water Closet Seats
23.45.05.21.14.14;Water Closet Tanks
23.45.05.21.14.17;Sanitary Disposal Connectors
23.45.30.00;Washing and Waste Disposal Equipment
23.45.30.11;Residential Washing Equipment
23.45.30.11.11;Residential Dishwashers
23.45.30.11.14;Residential Waste Disposal Units
23.45.30.14;Commercial Washing Equipment
23.45.30.14.11;Commercial Dishwashers
23.45.30.14.14;Commercial Waste Disposal Units
23.45.30.14.21;High Pressure Washing Equipment
23.45.30.17;Drain Boards
23.45.55.00;Sanitary Faucets, Wastes
23.45.55.11;Sanitary Components
23.45.55.11.11;Plugs
23.45.55.11.14;Chains
23.45.55.11.17;Overflow Specialties
23.45.55.14;Single Faucets
23.45.55.17;Mixing Faucets
23.45.55.21;Drains (Wastes)
23.45.70.00;Laundry and Cleaning Equipment
23.45.70.11;Laundry Equipment
23.45.70.11.11;Residential Laundry Equipment
23.45.70.11.11.11;Washing Machines
23.45.70.11.11.14;Clothes Dryers
23.45.70.11.14;Commercial Laundry Equipment
23.45.70.11.14.11;Washing Machines
23.45.70.11.14.14;Extractors
23.45.70.11.14.17;Clothes Dryers
23.45.70.11.14.21;Clothes Airers
23.45.70.11.14.24;Ironing and Pressing Machines
23.45.70.11.14.27;Laundry Folding Machines
23.45.70.11.14.31;Commercial Clothes Lines
23.45.70.11.14.34;Dry Cleaning Equipment
23.45.70.14;Room Cleaning Equipment
23.45.70.14.11;Vacuum Cleaning Systems
23.45.70.14.14;Floor and Wall Cleaning
23.45.70.14.17;Housekeeping Carts
23.50.00.00;Conveying Systems & Material Handling
23.50.05.00;Vertical Transportation
23.50.05.11;Elevators
23.50.05.11.11;Electric Traction Elevators
23.50.05.11.11.11;Freight Electric Traction Elevators
23.50.05.11.11.14;Passenger Electric Traction Elevators
23.50.05.11.11.17;Residential Electric Traction Elevators
23.50.05.11.11.21;Service Electric Traction Elevators
23.50.05.11.14;Hydraulic Elevators
23.50.05.11.14.11;Freight Hydraulic Elevators
23.50.05.11.14.14;Passenger Hydraulic Elevators
23.50.05.11.14.17;Residential Hydraulic Elevators
23.50.05.11.14.21;Service Hydraulic Elevators
23.50.05.11.17;Rack and Pinion Elevators
23.50.05.11.21;Elevator Cabs
23.50.05.11.24;Elevator Equipment and Controls
23.50.05.11.24.11;Elevator Doors
23.50.05.11.24.14;Elevator Controls
23.50.05.11.27;Elevator Restoration Products
23.50.05.14;Lifts
23.50.05.14.11;Scissors Lifts
23.50.05.14.14;Stair Elevators
23.50.05.14.14.11;Inclined Platform Lifts
23.50.05.14.17;Elevating Platforms
23.50.05.14.17.11;Platform Lifts
23.50.05.14.17.14;Sidewalk Lifts
23.50.05.17;Escalators
23.50.20.00;Horizontal Transportation
23.50.20.11;Moving Walks
23.50.20.14;People Movers
23.50.20.17;Aircraft Passenger Loading
23.50.20.17.11;Jetways
23.50.20.17.14;Gangways
23.50.20.21;Monorails
23.50.30.00;Materials Handling
23.50.30.11;Dumbwaiters
23.50.30.11.11;Manual Dumbwaiters
23.50.30.11.14;Electric Dumbwaiters
23.50.30.11.17;Hydraulic Dumbwaiters
23.50.30.14;Material Transport
23.50.30.14.11;Automated Document Filing and Retrieval
23.50.30.14.14;Automated Guided Vehicles
23.50.30.14.14.11;Guided Vehicle Material Handling
23.50.30.14.14.14;Track Vehicle Material Handling
23.50.30.17;Postal Conveying
23.50.30.21;Baggage Conveying and Dispensing
23.50.30.24;Conveyors
23.50.30.24.11;Conveyor Components
23.50.30.24.11.11;Conveyor Belts
23.50.30.24.14;Belt Conveyors
23.50.30.24.17;Bucket Conveyors
23.50.30.24.21;Container Conveyors
23.50.30.24.24;Hopper and Track Conveyors
23.50.30.24.27;Monorail Conveyors
23.50.30.24.31;Oscillating Conveyors
23.50.30.24.34;Pneumatic Conveyors
23.50.30.24.37;Roller Conveyors
23.50.30.24.41;Scoop Conveyors
23.50.30.24.44;Screw Conveyors
23.50.30.24.47;Selective Vertical Conveyors
23.50.30.34;Pneumatic Tubes
23.50.30.34.11;Document Conveying Systems
23.50.30.37;Hoists and Cranes
23.50.30.37.11;Cranes
23.50.30.37.11.11;Crane Rails
23.50.30.37.11.14;Bridge Cranes
23.50.30.37.11.14.11;Top-Running Overhead Cranes
23.50.30.37.11.14.14;Underslung Overhead Cranes
23.50.30.37.11.17;Gantry Cranes
23.50.30.37.11.21;Jib Cranes
23.50.30.37.11.24;Tower Cranes
23.50.30.37.11.27;Mobile Cranes
23.50.30.37.11.31;Derricks
23.50.30.37.14;Fixed Hoists
23.50.30.37.14.11;Air Powered Fixed Hoists
23.50.30.37.14.14;Electric Fixed Hoists
23.50.30.37.14.17;Manual Fixed Hoists
23.50.30.37.17;Trolley Hoists
23.50.30.37.17.11;Air Powered Trolley Hoists
23.50.30.37.17.14;Electric Trolley Hoists
23.50.30.37.17.17;Manual Trolley Hoists
23.50.50.00;Turntables
23.50.50.11;Restaurant Turntables
23.50.50.14;Stage Turntables
23.50.50.17;Exhibit and Display Turntables
23.50.50.21;Vehicular Turntable
23.50.55.00;Parking Systems
23.50.55.11;Car Parking Systems
23.50.70.00;Loading Dock Equipment
23.50.70.11;Dock Bumpers/Seals
23.50.70.14;Dock Levelers
23.50.70.14.11;Powered Dock Levelers
23.50.70.14.14;Manual Dock Levelers
23.50.70.17;Dock Lifts
23.50.70.17.11;Powered Dock Lifts
23.50.70.17.14;Manual Dock Lifts
23.50.70.21;Portable Ramps, Bridges, and Platforms
23.50.70.24;Seals and Shelters
23.50.70.27;Truck Restraints
23.50.85.00;Scaffolding
23.50.85.11;Suspended Scaffolding
23.50.85.11.11;Beam Suspended Scaffolding
23.50.85.11.14;Carriage Suspended Scaffolding
23.50.85.11.17;Hook Suspended Scaffolding
23.50.85.14;Rope Climbers
23.50.85.14.11;Manual Rope Climbers
23.50.85.14.14;Powered Rope Climbers
23.50.85.17;Telescoping Platforms
23.50.85.17.11;Electric and Battery Telescoping Platforms
23.50.85.17.14;Pneumatic Telescoping Platforms
23.50.85.21;Powered Scaffolding
23.50.90.00;Building Maintenance Systems 
23.50.90.11;Window Washing Systems
23.50.90.14;Building Maintenance Cradles and Platforms
23.50.90.17;Roof Trolley Systems
23.50.90.21;Traveling Ladder Systems
23.50.90.24;Ancillary Building Maintenance Items
23.50.90.24.11;Safety Tracks
23.50.90.24.14;Anchors for Building Maintenance
23.50.90.27;Fall Arrest Systems
23.55.00.00;Manufactured Structures
23.55.10.00;Towers and Superstructures
23.55.10.11;Industrial Breechings, Chimneys, and Stacks
23.55.10.11.11;Breechings
23.55.10.11.11.11;Fabricated Breechings and Accessories
23.55.10.11.14;Chimney Shafts
23.55.10.11.17;Chimney Linings
23.55.10.11.21;Draft Control Devices
23.55.10.11.24;Insulated Sectional Chimneys
23.55.10.14;Towers
23.55.10.14.11;Cooling Towers 
23.55.10.14.14;Water Towers
23.60.00.00;General Purpose: Services 
23.60.10.00;General Measuring Instruments
23.60.10.11;Temperature Measuring Instruments
23.60.10.14;Pressure Measuring Instruments
23.60.10.17;Flow Meters
23.60.10.21;Concentration Measuring Instruments
23.60.10.21.11;Humidity Concentration Measuring Instruments
23.60.10.21.14;Carbon Dioxide (COІ) Concentration Measuring Instruments
23.60.10.21.17;Ozone Concentration Measuring Instruments
23.60.10.21.21;Other Gas Concentration Measuring Instruments
23.60.10.24;Heat Measuring Instruments
23.60.10.27;Level Measuring Instruments
23.60.10.31;Weighing Instruments
23.60.30.00;General Pipework and Ductwork Products
23.60.30.11;Pipework Products for General Use
23.60.30.11.14;Pipework Fittings
23.60.30.11.14.11;Water Hammer Arrestors
23.60.30.11.14.14;Pipe Expansion Compensators
23.60.30.11.17;Pipework/Ductwork Mechanical Fasteners/Supports
23.60.30.14;Ducting and Wireways for General Use
23.60.30.14.11;Underfloor Wireways
23.60.30.14.14;Service Penetrations
23.60.30.17;Manholes
23.60.30.21;Pumps
23.60.30.21.11;Pump Components
23.60.30.21.14;Manual Pumps
23.60.30.21.17;Motor Pumps
23.60.30.21.21;Pump Sets
23.60.30.21.24;Booster Pumps
23.60.30.24;Poles for Aerial Networks
23.60.30.24.11;Utility Poles
23.60.30.24.14;Lighting Poles and Standards
23.60.30.24.17;Antenna Towers
23.60.30.24.21;Transmission Towers
23.60.50.00;General Purpose Controls
23.60.50.11;Photoelectric Cells
23.60.50.14;Infra Red and Other Remote Controls
23.60.50.17;Hydraulic Controls
23.60.50.21;Pneumatic Controls
23.60.50.24;Electric Controls
23.60.50.27;Digital Controls
23.60.70.00;General Protection for Services
23.60.70.11;Fireproofing for Services
23.60.70.11.11;Fire Dampers
23.60.70.14;Smoke Seals for Ductwork
23.60.70.14.11;Smoke Dampers
23.65.00.00;Supply and Distribution of Liquids and Gases
23.65.05.00;Complete Supply, Storage and Distribution Systems
23.65.05.11;Complete Systems for Supply, Storage and Distribution of Liquids
23.65.05.11.11;Water Supply Systems
23.65.05.11.14;Consumable Liquids Supply Systems
23.65.05.11.17;Liquid Fuel Supply Systems
23.65.05.11.21;Liquid Fire Suppression Systems
23.65.05.11.99;Other Liquid Supply Systems
23.65.05.14;Complete Systems for Supply, Storage and Distribution of Gases
23.65.05.14.11;Steam Supply Systems
23.65.05.14.14;Fuel Gas Supply Systems
23.65.05.14.17;Medical Gases Supply Systems
23.65.05.14.21;Gaseous Fire Suppression Systems
23.65.05.14.99;Other Gas Supply Systems
23.65.20.00;Storage Vessels for Supplied Liquids and Gases
23.65.20.11;Storage Vessels for Liquids
23.65.20.11.11;Liquid Storage Components
23.65.20.11.11.11;Overflow Regulators
23.65.20.11.11.14;Fill and Valve Caps
23.65.20.11.11.17;Vents for Liquid Storage Tanks
23.65.20.11.14;Rainwater Tanks
23.65.20.11.17;Supply Water Tanks
23.65.20.11.21;Consumable Liquid Storage Vessels
23.65.20.11.24;Liquid Fuel Storage Vessels
23.65.20.11.24.11;Fuel Oil Pre-Heaters
23.65.20.11.27;Other Liquid Storage Vessels
23.65.20.14;Storage Vessels for Gases
23.65.20.14.11;Vacuum/Pressurized Air Storage Vessels
23.65.20.14.14;Steam Storage Vessels
23.65.20.14.17;Medical Gases Storage Vessels
23.65.20.14.21;Fuel Gas and LPG Storage Vessels
23.65.20.14.24;Other Gas Storage Vessels
23.65.35.00;Heaters for Supplied Liquids 
23.65.35.11;Supply Water Heaters
23.65.35.11.11;Storage Water Heaters 
23.65.35.11.14;Instantaneous Water Heaters
23.65.35.11.17;Thermodynamic Water Heaters
23.65.35.99;Heaters for Other Supplied Liquids
23.65.50.00;Treatment of Supplied Liquids/Gases
23.65.50.11;Water Treatment
23.65.50.11.11;Water Treatment Components
23.65.50.11.11.11;Water Filters
23.65.50.11.11.14;Water Softeners
23.65.50.11.11.17;Magnetic/Electronic Water Treatment
23.65.50.11.11.21;Sterilizers
23.65.50.11.11.24;Salinators
23.65.50.11.11.27;Chlorinators
23.65.50.11.11.31;Ionizers, Ozone Treatment
23.65.50.11.11.34;Additives for Water Treatment
23.65.50.11.14;Packaged Water Treatment Systems
23.65.55.00;Distribution of Supplied Liquids/Gases
23.65.55.11;Supply Pumps and Compressors
23.65.55.11.11;Gas Compressors/Vacuum Pumps
23.65.55.14;Valves for Liquid Services
23.65.55.14.11;Inlet/Outlet Valves for Liquid Services
23.65.55.14.11.11;Fill Valves for Liquid Services
23.65.55.14.11.14;Bleeding Valves for Liquid Services
23.65.55.14.11.17;Overflow Valves for Liquid Services
23.65.55.14.14;Isolation Valves for Liquid Services
23.65.55.14.17;Adjusting/Controlling Valves for Liquid Services
23.65.55.14.21;Non-Return Valves for Liquid Services
23.65.55.14.24;Mixing Valves for Liquid Services
23.65.55.17;Valves for Gas Supply Services
23.65.55.17.11;Inlet/Outlet Valves for Gas Supplies
23.65.55.17.11.11;Steam Outlet Valves
23.65.55.17.14;Isolation Valves for Gas Supplies
23.65.55.17.17;Adjusting/Controlling Valves for Gas Supplies
23.65.55.17.21;Non-Return Valves for Gas Supplies
23.65.70.00;Terminals for Supplied Liquids and Gases
23.65.70.11;Fixtures for Supplied Liquids and Gases
23.65.70.11.11;Fixtures for Liquids
23.65.70.11.14;Gas Service Fixtures
23.65.70.14;Fountains
23.65.70.14.11;Drinking Fountains/Coolers
23.65.70.14.11.11;Security Drinking Fountains/Coolers
23.65.70.17;Fire Fighting Terminals
23.65.70.17.11;Fire Fighting Terminal Components
23.65.70.17.11.11;Fire Hydrants
23.65.70.17.11.14;Fire Hose Reels
23.65.70.17.11.17;Fire Hoses
23.65.70.17.11.21;Fire Fighting Gas Terminals
23.65.70.17.11.24;Fire Fighting Sprinkler Heads
23.65.70.17.11.27;Cabinets for Fire Hoses
23.65.70.17.11.31;Fire Fighting Media 
23.65.70.17.14;Water Fire Fighting Terminals
23.65.70.17.17;Gaseous Fire Fighting Terminals
23.65.70.17.21;Foam Fire Fighting Terminals
23.65.70.17.24;Powder Fire Fighting Terminals
23.65.70.17.27;Fire Extinguishers
23.70.00.00;Waste Management
23.70.30.00;Solid Waste Handling Products  
23.70.30.11;Solid Waste Impelling Equipment
23.70.30.14;Solid Waste Treatment Equipment
23.70.30.14.11;Solid Waste Compactors, Destructors, and Balers
23.70.30.14.14;Solid Waste Crushers
23.70.30.14.17;Solid Waste Pulping Machines
23.70.30.14.21;Solid Waste Shredding Machines
23.70.30.14.24;Pneumatic Waste Equipment
23.70.30.14.27;Incinerators
23.70.30.14.27.11;Solid Waste Incinerators
23.70.30.14.27.14;Packaged Incinerators
23.70.30.14.31;Recycling Equipment
23.70.30.17;Solid Waste Monitoring and Control Equipment
23.70.30.17.11;Solid Waste Metal Detectors
23.70.30.17.14;Solid Waste Detectors for Other Solids
23.70.30.21;Solid Waste Collection and Removal Products
23.70.30.21.11;Complete Solid Waste Removal Systems
23.70.30.21.14;Solid Waste Bins
23.70.30.21.17;Gravity Chute Solid Waste Systems
23.70.30.21.21;Refuse Disposal Chutes
23.70.30.21.21.11;Refuse Hoppers
23.70.30.21.21.14;Refuse Chute Doors
23.70.30.21.21.17;Refuse Chute Decontamination Units
23.70.30.24;Solid Waste Handling Systems
23.70.30.24.11;Refuse Compactors
23.70.30.24.14;Refuse Containers
23.70.30.24.17;Dust Collectors
23.70.50.00;Liquid Waste Handling Services
23.70.50.11;Pumps for Liquid Waste
23.70.50.11.11;Surface Waste Water Pumps
23.70.50.11.14;Sewage and Sludge Pumps
23.70.50.11.14.11;Oil-Water Separators
23.70.50.11.14.14;Packaged Sewage and Sludge Pump Stations
23.70.50.11.14.17;Sewage Ejectors
23.70.50.11.17;Combined Macerator-Pumps
23.70.50.14;Liquid Waste Treatment
23.70.50.14.11;Packaged Sewage Treatment Plants
23.70.50.14.14;General Waste Water Treatment Equipment
23.70.50.14.14.11;Grit Collecting Equipment
23.70.50.14.14.14;Screening and grinding Equipment
23.70.50.14.14.17;Sedimentation Tank Equipment
23.70.50.14.14.21;Scum Removal Equipment
23.70.50.14.14.24;Chemical Equipment
23.70.50.14.14.27;Sludge Handling and Treatment Equipment
23.70.50.14.14.31;Filter Underdrains and Media
23.70.50.14.14.31.11;Filter Bottoms
23.70.50.14.14.31.14;Filter Media
23.70.50.14.14.31.17;Package Filters
23.70.50.14.14.34;Filter Press Equipment
23.70.50.14.14.37;Trickling Filter Equipment
23.70.50.14.17;Other Waste Water Treatment Equipment
23.70.50.14.17.11;Waste Water Compressors
23.70.50.14.17.14;Waste Water Aeration Equipment
23.70.50.14.17.17;Waste Water Oxygenation Systems
23.70.50.14.17.17.11;Waste Water Oxygen Dissolution System
23.70.50.14.17.17.14;Waste Water Oxygen Generators
23.70.50.14.17.17.17;Waste Water Oxygen Storage Facility
23.70.50.14.17.21;Sludge Digestion Equipment
23.70.50.14.17.21.11;Sludge Conditioning Systems
23.70.50.14.17.21.14;Sludge Incinerators
23.70.50.14.17.24;Digester Mixing Equipment
23.70.50.14.17.24.11;Digester Covers and Appurtenances
23.70.50.14.17.24.11.11;Fixed Digester Covers
23.70.50.14.17.24.11.14;Floating Digester Covers
23.70.50.14.17.24.11.17;Gasholder Covers
23.70.50.14.21;Septic Tank Systems
23.70.50.14.21.11;Drainage Field
23.70.50.14.21.14;Grease Interceptor
23.70.50.14.21.17;Sand Filter
23.70.50.14.21.21;Septic Tank
23.70.50.14.21.24;Siphon Tank
23.70.50.14.24;Bacterial Filter Tanks
23.70.50.14.27;Liquid Waste Decanters
23.70.50.14.31;Liquid Waste Separators
23.70.50.17;Liquid Waste Monitoring and Control
23.70.50.17.11;Detectors of Water Pollution
23.70.50.21;Liquid Waste Collection and Removal
23.70.50.21.24;Waste Water Drains
23.70.50.21.24.11;Roof Waste Water Drains
23.70.50.21.24.14;Deck Waste Water Drains
23.70.50.21.27;Drainage Pipes, Couplings, Collectors
23.70.50.21.31;Pipework Access Fittings
23.70.50.21.34;French Drain
23.70.50.21.37;Valves for Removal Systems
23.70.50.21.37.11;Air Inlet Valves for Removal Systems
23.70.50.21.37.14;Non-Return Valves for Removal Systems
23.70.50.24;Rainwater Removal
23.70.50.24.11;Roof Gutters/Eavestroughs
23.70.50.24.14;Downspouts
23.70.50.24.14.11;Mechanical Fasteners for Downspouts
23.70.50.24.14.14;Downspout Strainers
23.70.50.24.17;Siphonic Drains
23.70.70.00;Gaseous Waste Handling Services
23.70.70.11;Gaseous Waste Impelling Equipment
23.70.70.11.11;Flue Booster Fans
23.70.70.11.14;Flue Dilution Fans
23.70.70.11.17;Fume Extractor Fans
23.70.70.14;Gaseous Waste Treatment
23.70.70.14.11;Flue Gas Purifiers
23.70.70.17;Gaseous Waste Monitoring and Control
23.70.70.17.11;Air Pollution Detectors
23.70.70.17.14;Flue Gas Analyzers
23.70.70.21;Gaseous Waste Removal
23.70.70.21.11;Complete Gaseous Waste Handling Systems
23.70.70.21.14;Complete Flue and Chimney Systems
23.70.70.21.14.11;Gas Vents
23.70.70.21.14.14;Fabricated Stacks
23.70.70.21.14.17;Fabricated Breechings and Accessories
23.70.70.21.14.21;Insulated Sectional Chimneys
23.70.70.21.17;Flue and Chimney Systems Components
23.70.70.21.17.11;Draft Control Devices
23.70.70.21.17.14;Fireplace Lintels
23.70.70.21.17.17;Flue Linings
23.70.70.21.17.21;Flue Caps, Cowls
23.70.70.21.17.24;Access Panels for Chimneys
23.70.70.21.17.27;Dampers for Chimneys
23.70.70.21.17.31;Fire Shutter Extinguishers
23.75.00.00;Climate Control (HVAC)
23.75.10.00;Transformation and Conversion of Energy
23.75.10.11;Central Heat Generators
23.75.10.11.14;Hot Water Heat Generators
23.75.10.11.14.11;Cast-Iron Boilers
23.75.10.11.14.14;Condensing Boilers
23.75.10.11.14.17;Finned Water-Tube Boilers
23.75.10.11.14.21;Firebox Heating Boilers
23.75.10.11.14.24;Flexible Water-Tube Boilers
23.75.10.11.14.27;Pulse Combustion Boilers
23.75.10.11.14.31;Scotch Marine Boilers
23.75.10.11.14.34;Steel Water-Tube Boilers
23.75.10.11.17;Warm Air Heat Generators
23.75.10.11.17.11;Furnaces
23.75.10.11.17.11.11;Electric-Resistance Furnaces
23.75.10.11.17.11.14;Fuel-Fired Furnaces
23.75.10.11.21;Steam Heat Generators
23.75.10.11.24;Heat Generators, Thermal Liquid
23.75.10.11.27;Fuel Burners
23.75.10.11.27.11;Fuel Oil Filters
23.75.10.11.27.14;Nozzles
23.75.10.11.27.17;Burner Controls
23.75.10.11.31;Solid Fuel Transport and Handling Equipment
23.75.10.11.34;Fuel Gas Heat Recovery Devices
23.75.10.14;Independent Electric Heating Units
23.75.10.14.11;Electric Convectors
23.75.10.14.11.11;Static Convectors
23.75.10.14.11.14;Fan Convectors
23.75.10.14.14;Electric Radiators
23.75.10.14.14.11;Storage Heaters
23.75.10.14.14.14;Infrared Radiators/Plates
23.75.10.14.14.17;Ultraviolet Radiators
23.75.10.14.14.21;Electric Heated Towel Bars
23.75.10.14.14.24;Electric Heated Ceiling Panels
23.75.10.14.14.27;Portable Radiators
23.75.10.14.17;Electric Surface Heating Products
23.75.10.14.17.11;Heating Sheets for Walls and Ceilings
23.75.10.14.17.14;Heating Sheets for Glazing
23.75.10.14.17.17;Pipe Heating Tapes/Cable Heating Trace
23.75.10.14.21;Embedded Electric Heating Appliances
23.75.10.14.21.11;Heating Sheets
23.75.10.14.21.14;Heating Cables
23.75.10.17;Non-Electric Local Heating Units 
23.75.10.17.11;Non-Electric Stoves
23.75.10.17.14;Fuel-Fired Heaters
23.75.10.17.14.11;Fuel-Fired Duct Heaters
23.75.10.17.14.14;Fuel-Fired Radiant Heaters
23.75.10.17.14.17;Fuel-Fired Unit Heaters
23.75.10.17.14.21;Fuel-Fired Air Heaters
23.75.10.17.14.24;Fuel-Fired Domestic Heaters
23.75.10.17.17;Combined Heating/Cooking Units
23.75.10.17.17.11;Heat Pumps, Heating Function
23.75.10.17.17.14;Heat Pumps, Cooling Function
23.75.10.17.17.17;Heat Pumps, Heating-Cooling Function
23.75.10.21;Heat Pumps
23.75.10.21.11;Air-Source Heat Pumps
23.75.10.21.14;Rooftop Heat Pumps
23.75.10.21.17;Water-Source Heat Pumps
23.75.10.24;Cooling and Freeze Plant
23.75.10.24.11;Chilled Water Plant
23.75.10.24.14;Refrigeration Plant
23.75.10.24.17;Cold Room Plant
23.75.10.24.21;Cooling and Freeze Components
23.75.10.24.21.11;Refrigerant Condensing Units
23.75.10.24.21.11.11;Packaged Refrigerant Condensing Coils and Fan Units
23.75.10.24.21.11.14;Refrigerant Condensing Coils
23.75.10.24.21.14;Refrigerant Evaporators
23.75.10.24.21.17;Refrigerant Compressors
23.75.10.24.21.17.11;Centrifugal Refrigerant Compressors
23.75.10.24.21.17.14;Reciprocating Refrigerant Compressors
23.75.10.24.21.17.17;Rotary-Screw Refrigerant Compressors
23.75.10.24.21.21;Packaged Water Chillers
23.75.10.24.21.21.11;Absorption Water Chillers
23.75.10.24.21.21.14;Centrifugal Water Chillers
23.75.10.24.21.21.17;Reciprocating Water Chillers
23.75.10.24.21.21.21;Rotary-Screw Water Chillers
23.75.10.24.21.24;Liquid Coolers and Evaporative Condensers
23.75.10.24.21.27;Unitary Air Conditioning Equipment
23.75.10.24.21.27.11;Packaged Air Conditioners
23.75.10.24.21.27.14;Packaged Rooftop Air Conditioning Units
23.75.10.24.21.27.17;Packaged Rooftop Make-Up Air Conditioning Units
23.75.10.24.21.27.21;Packaged Terminal Air Conditioning Units
23.75.10.24.21.27.24;Room Air Conditioners
23.75.10.24.21.27.27;Split System Air Conditioning Units
23.75.10.24.21.31;Cooling/Freeze Plant Accessories
23.75.10.24.21.31.11;Refrigerant Liquid
23.75.10.27;Solar Collectors
23.75.10.27.11;Solar Collectors, Complete Systems
23.75.10.27.11.11;Packaged Solar Equipment
23.75.10.27.14;Solar Collector Components
23.75.10.27.14.11;Solar Absorber Plates or Tubing
23.75.10.27.14.14;Solar Coatings and Surface Treatment
23.75.10.27.14.17;Solar Collector Insulation
23.75.10.27.14.21;Solar Glazing
23.75.10.27.14.24;Solar Housing and Framing
23.75.10.27.14.27;Solar Reflectors
23.75.10.27.17;Solar Collector Units
23.75.10.27.17.11;Solar Flat Plate Collectors
23.75.10.27.17.14;Solar Concentrating Collectors
23.75.10.27.17.17;Solar Vacuum Tube Collectors
23.75.10.27.17.21;Heat Exchangers, Tubular
23.75.10.27.17.24;Heat Exchangers, Plate
23.75.10.27.17.27;Heat Exchangers, Rotary
23.75.10.27.21;Photovoltaic Collectors
23.75.10.31;Wind Energy Equipment
23.75.10.34;Energy Recovery Equipment
23.75.10.34.11;Energy Storage Tanks
23.75.10.34.14;Heat Pipe
23.75.10.34.17;Heat Wheels
23.75.10.34.21;Heat Exchangers for Ventilation Air
23.75.10.37;Cooling Towers
23.75.10.37.11;Mechanical-Draft Cooling Towers
23.75.10.37.14;Natural-Draft Cooling Towers
23.75.35.00;Impelling Equipment
23.75.35.14;Air Handling Units
23.75.35.14.11;Built-Up Indoor Air Handling Units
23.75.35.14.14;Customized Rooftop Air Handling Units
23.75.35.14.17;Modular Indoor Air Handling Units
23.75.35.14.21;Modular Rooftop Air Handling Units
23.75.35.17;Fans
23.75.35.17.11;Fans for Air Ductwork
23.75.35.17.14;Fans, Single Units
23.75.35.17.17;Room Air Circulation Fans
23.75.35.17.17.11;Ceiling Fans
23.75.35.17.21;Air Curtains
23.75.35.17.24;Axial Fans
23.75.35.17.27;Centrifugal Fans
23.75.35.21;Extractors
23.75.35.21.11;Emergency Smoke Extractors
23.75.35.21.14;Extractors for Process Air
23.75.35.21.17;Industrial Ventilating Equipment
23.75.35.21.21;Power Ventilators
23.75.50.00;Energy Treatment 
23.75.50.11;Treatment of Circulation Liquids
23.75.50.11.14;Feedwater Equipment
23.75.50.11.14.11;Boiler Feedwater Pumps
23.75.50.11.14.14;Deaerators
23.75.50.11.14.17;Packaged Deaerator and Feedwater Equipment
23.75.50.14;Steam Treatment
23.75.50.14.11;Steam Dryers
23.75.50.17;Supply Air Treatment
23.75.50.17.11;Air Filters
23.75.50.17.11.11;Air Filter Components
23.75.50.17.11.11.11;Air Filter Media
23.75.50.17.11.14;High-Efficiency Air Filters
23.75.50.17.11.17;ULPA Filters
23.75.50.17.11.21;HEPA Filters
23.75.50.17.14;Dust Collectors
23.75.50.17.17;Electronic Air Cleaners
23.75.50.17.21;Air Humidifiers
23.75.50.17.24;Dehumidifiers
23.75.50.17.24.11;Swimming Pool Dehumidification Units
23.75.50.17.27;Air Fresheners
23.75.50.17.31;Clean Room Air Treatment
23.75.65.00;Monitoring and Control Equipment
23.75.65.11;Monitoring and Control of Internal Climate 
23.75.65.11.11;Heating Controllers
23.75.65.11.14;Heating Programmers
23.75.65.11.17;Heating Optimizers/Economizers
23.75.65.14;Industrial Plant Performance Controls
23.75.65.14.14;Centralized Plant Controls
23.75.65.14.14.11;Temperature Controls
23.75.65.14.14.14;Pressure Controls
23.75.65.14.14.17;Flow Controls
23.75.65.14.14.21;Concentration Controls
23.75.65.14.17;Control and Monitoring Boards/Panels
23.75.70.00;HVAC Distribution Devices
23.75.70.11;Circulation Pipe Fittings
23.75.70.11.11;Distribution Collectors
23.75.70.11.14;Expansion Vessels
23.75.70.11.14.11;Air Ducts
23.75.70.11.14.14;Dampers for Air Ductwork
23.75.70.11.14.17;Fire Shutters for Air Ductwork
23.75.70.11.14.21;Guide Vanes
23.75.70.11.14.24;Air Mixers
23.75.70.11.14.27;Sound Attenuators
23.75.70.14;Air Ductwork
23.75.70.14.11;Access Fittings for Air Ductwork
23.75.70.14.14;Couplings for Air Ductwork
23.75.70.14.17;Hangers and Supports, Mechanical Fasteners for Air Ductwork
23.75.70.14.21;Fibrous Glass Ducts
23.75.70.14.24;Flexible Ducts
23.75.70.14.27;Glass-Fiber-Reinforced Plastic Ducts
23.75.70.14.31;Metal Ducts
23.75.70.14.34;Air Duct Accessories
23.75.70.17;Water Heated and Cooled Terminal Heating and Cooling Units
23.75.70.17.11;Radiators
23.75.70.17.14;Convectors
23.75.70.17.17;Radiation Panels
23.75.70.17.21;Embedded Water Heating Terminals
23.75.70.17.24;Finned-Tube Radiation
23.75.70.17.27;Fan Coil Units
23.75.70.17.31;Induction Units
23.75.70.17.34;Unit Heaters
23.75.70.17.37;Unit Ventilators
23.75.70.17.41;Water Heated Towel Bars
23.75.70.21;Terminals for Air
23.75.70.21.11;Supports, Mechanical Fasteners
23.75.70.21.14;Coil Units
23.75.70.21.17;Air Curtains
23.75.70.21.21;Local Air-Conditioning Units
23.75.70.21.24;Air Terminal Units
23.75.70.21.24.11;Constant Volume Air Terminal Units
23.75.70.21.24.14;Variable Volume Air Terminal Units
23.75.70.21.27;Air Outlets and Inlets
23.75.70.21.27.11;Diffusers, Registers, and Grilles
23.75.70.21.27.14;Gravity Ventilators
23.75.70.21.27.17;Intake and Relief Ventilators
23.75.70.21.27.21;Penthouse Ventilators
23.75.70.21.31;Exhaust Terminals
23.80.00.00;Electric Power and Lighting
23.80.10.00;Generation and Transformation Equipment
23.80.10.11;Electrical Generators
23.80.10.11.11;Electrical Generators, Single Units
23.80.10.11.11.11;Engine Generators
23.80.10.11.11.14;Motor Generators
23.80.10.11.14;Driven Electrical Generator Sets
23.80.10.11.14.11;Driving Units
23.80.10.11.14.14;Electricity Generation Units
23.80.10.11.17;Frequency Changers
23.80.10.11.21;Rotary Converters
23.80.10.11.24;Rotary Uninterruptible Power Units
23.80.10.14;Transformers
23.80.10.14.11;Power Transformers
23.80.10.14.14;Current Transformers
23.80.10.14.17;Safety Transformers
23.80.10.14.21;Transformer Accessories
23.80.10.14.21.11;Transformer Commutators
23.80.10.14.21.14;Transformer Ballasts
23.80.10.17;Static Power Converters
23.80.10.17.11;Static Rectifiers
23.80.10.17.14;Ondulators
23.80.10.17.17;Combined Converter Sets
23.80.10.17.21;Battery Chargers
23.80.10.17.24;Direct Current (DC) Drive Controllers
23.80.10.17.27;Slip Controllers
23.80.10.17.31;Static Frequency Converters
23.80.10.17.34;Static Uninterruptible Power Supplies
23.80.10.17.37;Variable Frequency Controllers
23.80.10.21;Electric Motors
23.80.10.21.11;Direct Current (DC) Motors
23.80.10.21.14;Alternating Current (AC) Motors
23.80.10.24;Power Storage
23.80.10.24.11;Batteries
23.80.10.24.11.11;Battery Racks
23.80.10.24.11.14;Central Battery Equipment
23.80.10.24.14;Battery Chargers
23.80.10.24.17;Uninterrupted Power Supply (UPS) Units
23.80.25.00;Measuring and Recording Devices
23.80.25.11;Electrical Meters
23.80.25.11.11;Power Meters
23.80.25.11.14;Voltage Meters
23.80.25.11.17;Resistance Meters
23.80.25.11.21;Frequency Meters
23.80.25.11.24;Multi-Meters
23.80.25.14;Electrical Energy Recording Devices
23.80.25.14.11;Watt-Hour Recorders (Electricity Usage Meters)
23.80.30.00;Distribution Devices
23.80.30.11;Power Supply Devices
23.80.30.11.11;Main Switches
23.80.30.11.14;Inverters
23.80.30.11.17;Distribution Boards and Control Panels
23.80.30.11.21;Photoelectric Cells
23.80.30.14;Power Distribution
23.80.30.14.24;Junction Boxes
23.80.30.17;Conduit, Wireways, and Ducts
23.80.30.17.11;Conduits
23.80.30.17.14;Wireways 
23.80.30.17.17;Cable Trays and Horizontal Racks
23.80.30.17.21;Cable Reels
23.80.30.17.24;Mechanical Fasteners for Conduits and Trunking
23.80.30.24;Switchgear
23.80.30.24.11;Mechanical Switchgear
23.80.30.24.14;Electronic Switchgear
23.80.30.24.17;Remote Control Switchgear
23.80.30.24.21;Time Switchgear
23.80.30.27;Variable Power or Resistance Appliances
23.80.30.27.11;Commutators
23.80.30.27.14;Rheostats
23.80.30.27.17;Dimmers
23.80.30.27.21;Speed Controllers
23.80.40.00;Electric Power Protection Devices
23.80.40.11;Earth Connection Electrodes
23.80.40.14;Circuit Breakers
23.80.40.14.11;Automatic Overload Circuit Breakers
23.80.40.14.14;Ground Fault Intercept (GFI) Circuit Breakers
23.80.40.14.17;Earth Leakage Circuit Breakers
23.80.40.21;Lightning Protection
23.80.45.00;Electric Power Treatment Devices
23.80.45.14;Harmonic Control Devices
23.80.45.14.11;Electric Interference Suppressor Filters
23.80.50.00;Terminals for Power Supply
23.80.50.11;Switches and Receptacles
23.80.50.11.11;Receptacle Terminal Units
23.80.50.11.14;Switches
23.80.50.11.17;Ground Fault Receptacles
23.80.50.14;Plug Connectors
23.80.70.00;Lighting
23.80.70.11;Luminaries for Internal Lighting
23.80.70.11.11;General Luminaries, Non Directional
23.80.70.11.14;General Luminaries, Directional
23.80.70.11.14.11;Downlights
23.80.70.11.14.14;Uplights
23.80.70.11.14.17;Direct/Indirect
23.80.70.11.14.21;Spots and Tracklight Specialties
23.80.70.11.17;Specialized Lighting by Location or Use
23.80.70.11.21;Emergency Lighting
23.80.70.11.24;Fiber Optic Lighting
23.80.70.14;Luminaries for External Lighting
23.80.70.14.11;Amenity Lighting
23.80.70.14.11.11;Lighting Bollards
23.80.70.14.11.14;Post-Top Lighting
23.80.70.14.11.17;Wall or Ceiling Mounted External Lighting
23.80.70.14.11.21;Buried Uplights
23.80.70.14.14;Exterior Floodlights
23.80.70.14.17;Exterior Spotlights
23.80.70.14.21;Street and Roadway Lighting
23.80.70.14.24;Aircraft Paving Lighting
23.80.70.14.27;Security Lighting
23.80.70.17;Communication Lighting Specialties
23.80.70.17.11;Emergency Signs
23.80.70.17.14;Illuminated Signs/Boards
23.80.70.17.17;Publicity Lighting
23.80.70.17.21;Lasers
23.85.00.00;Information and Communication
23.85.05.00;Complete Information Systems
23.85.05.14;Complete Visual Information Systems
23.85.05.14.21;Complete Visual Signaling
23.85.05.14.21.11;Mechanical Signals
23.85.05.17;Complete Audio-Visual Systems
23.85.05.17.11;Broadcasting Equipment
23.85.05.17.11.11;Television Broadcasting Equipment
23.85.05.17.11.14;Multimedia Broadcasting Equipment
23.85.05.17.11.17;Broadcasting Light Signals
23.85.10.00;General Information Systems
23.85.10.11;Audio Information, Sound Signals
23.85.10.11.11;Sound and Signal Devices
23.85.10.11.11.11;Bells, Carillons, Single Units
23.85.10.11.11.14;Sirens
23.85.10.11.11.17;Aerials
23.85.10.11.11.21;Speakers
23.85.10.11.14;Audio Equipment
23.85.10.11.14.11;Audio Recorders
23.85.10.11.14.14;Sound Reinforcement
23.85.10.11.14.14.11;Microphones
23.85.10.11.14.14.14;Loudspeakers
23.85.10.11.14.14.17;Sound Amplifiers
23.85.10.11.14.14.21;Audio Equalizers
23.85.10.11.14.17;Headphones
23.85.10.11.14.21;Audio Reproducing Units
23.85.10.11.14.24;Audio Information Accessories
23.85.10.14;Visual Information Systems
23.85.10.14.11;Cameras
23.85.10.14.11.11;Analog Cameras
23.85.10.14.11.14;Digital Cameras
23.85.10.14.14;Slide Projectors
23.85.10.14.17;Overhead Projectors
23.85.10.14.21;Presentation Systems
23.85.10.14.24;Video Monitors
23.85.10.14.24.11;Cathode Ray Tube (CRT) Video Monitors
23.85.10.14.24.14;Liquid Crystal Display (LCD) Video Monitors
23.85.10.14.24.17;Plasma Video Monitors
23.85.10.14.27;Video Walls
23.85.10.14.31;Projection Screens
23.85.10.17;Audio-Visual Systems
23.85.10.17.11;Audio-Visual System Components
23.85.10.17.11.11;Broadcasting Receiving Equipment
23.85.10.17.11.14;Audio-Visual Recorders (Cam-Corders)
23.85.10.17.11.17;Film Projectors
23.85.10.17.11.21;Data/Multi/Media Projectors
23.85.10.17.11.24;Video Reproduction
23.85.30.00;Safety and Security Information Systems
23.85.30.11;Access Controls
23.85.30.11.11;Access Control and Counting Systems
23.85.30.11.14;Centralized Code Reading Systems
23.85.30.11.17;Electronic Key Systems
23.85.30.11.21;Pressure Mats
23.85.30.11.24;Micro-Switch Contacts for Doors and Windows
23.85.30.11.27;Door Answering
23.85.30.11.31;Security Access
23.85.30.14;Presence Detection/Registration
23.85.30.14.11;Clocking-In and Recording
23.85.30.14.14;Movement/Vibration Detection
23.85.30.14.17;Break-Glass Detection
23.85.30.14.21;Surveillance Mirrors
23.85.30.14.24;Manual Alert Control
23.85.30.14.27;Microwave Detectors
23.85.30.14.31;Infra-Red Radiation Detectors
23.85.30.14.34;Door Bells, Buzzers
23.85.30.17;Closed Circuit Guarding Systems
23.85.30.17.11;Closed Circuit TV Systems
23.85.30.17.14;Video Surveillance
23.85.30.17.17;Closed Circuit Television Recorders
23.85.30.17.17.11;Analog Closed Circuit Television Recorders
23.85.30.17.17.14;Digital Closed Circuit Television Recorders
23.85.30.21;Environmental Detection/Registration
23.85.30.21.11;Fire Detection, Monitoring and Alarm
23.85.30.21.11.11;Fire/Smoke Detectors
23.85.30.21.11.11.11;Smoke Detectors
23.85.30.21.11.11.14;Inonization Detectors
23.85.30.21.11.11.17;Temperature Monitors
23.85.30.21.11.14;Alarm Panels
23.85.30.21.11.17;Other Components
23.85.30.21.14;Concentration Detection Components
23.85.30.21.14.11;Concentration Detection Bells and Sounders
23.85.30.21.14.14;Concentration Detection Alarm Glasses
23.85.30.21.14.99;Other Concentration Detection Components
23.85.30.24;Emergency Call Systems
23.85.30.24.11;Call Systems for the Disabled
23.85.30.24.14;Nurse Call Systems
23.85.30.27;Built-In Failure Detection
23.85.30.27.11;Infiltration Detection
23.85.30.27.14;Service Leak Detection
23.85.30.27.14.11;Gas Leak Detection Agents
23.85.30.27.14.14;Water Leak Detection
23.85.50.00;Communication Systems
23.85.50.11;Communication Circuits
23.85.50.14;Telephone and Intercommunication Equipment
23.85.50.14.11;Single Line Telephone Systems
23.85.50.14.14;Multiple Line Telephone Systems
23.85.50.14.17;Telephone Equipment
23.85.50.14.21;Intercommunication Equipment
23.85.50.17;Communication and Data Processing Equipment
23.85.50.17.11;Computer Network Equipment
23.85.50.17.11.11;Computer Servers
23.85.50.17.11.14;Network Switchers
23.85.50.17.11.17;Network Routers
23.85.50.21;Cable Transmission and Reception Equipment
23.85.50.21.11;Cable Transmission and Reception Amplifiers
23.85.50.21.14;Cable Transmission and Reception Modulators
23.85.50.21.17;Cable Transmission and Reception Control Equipment
23.85.50.24;Broadcast Transmission and Reception Equipment
23.85.50.24.11;Broadcast Transmitters
23.85.50.24.14;Broadcast Antennas
23.85.50.24.17;Broadcast Amplifiers
23.85.50.24.21;Broadcast Control Equipment
23.85.50.27;Microwave Transmission and Reception Equipment
23.85.50.27.11;Microwave Transmitters
23.85.50.27.14;Microwave Antennas
23.85.50.27.17;Satellite Dishes
23.85.50.27.21;Microwave Amplifiers
23.85.50.27.24;Microwave Receivers
23.85.50.31;Intercom Systems
23.85.50.31.11;Door Entry Telephones
23.85.50.99;Other Communications Systems
23.85.50.99.11;Videophone Systems
23.85.50.99.14;Conference Systems
23.85.50.99.17;Breakdown Call Systems
23.85.80.00;Building Automation and Control
23.85.80.11;Building Controls
23.85.80.11.11;Clock Controls
23.85.80.11.14;Door Controls
23.85.80.11.17;Elevator Monitoring and Controls
23.85.80.11.21;Energy Monitoring and Controls
23.85.80.11.24;Environmental Controls
23.85.80.11.27;Lighting Controls
